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lecture-notes

Lie Groups and Lie Algebras

Pavel Etingof

Use in this reference: Linked MIT OpenCourseWare lecture notes. Original summaries only; website content is not offered as a reproduction of these notes.

Relevant material: MIT 18.755, Spring 2024. Cite section numbers and printed pages.

Dependent assertions

505 assertions in this edition cite this source.

RecordAssertionSource locator
SU(2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2)Real dimensionSections 6.1–6.3: su(2) consists of traceless skew-Hermitian 2 × 2 matrices; real dimension 2²−1=3
SU(2)Fundamental groupSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2)RepresentationsSection 11.4: irreducible sl(2,C) modules of highest weight n and dimension n+1
SU(2)Topology and global formSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)In physicsSection 11.4: irreducible sl(2,C) modules of highest weight n and dimension n+1
SU(2)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2)Actual real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2)Explicit homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)Specified homogeneous quotientSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(3)Real dimensionSections 6.1–6.3: real skew-symmetric 3 × 3 matrices have dimension 3·2/2=3
SO(3)Fundamental groupSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(3)Topology and global formSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(3)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(3)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(3)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(3)Actual real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(3)Explicit homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)Specified homogeneous quotientSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(3)Real dimensionSections 6.1–6.3: su(3) has real dimension 3²−1=8
SU(3)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(3)RepresentationsSection 26.5: Weyl dimension formula, specialized to the three positive A₂ roots · Section 27.2: SL(n,C) fundamental representations as exterior powers
SU(3)A₂ Dynkin-label conventionSection 26.5: Weyl dimension formula, specialized to the three positive A₂ roots · Section 27.2: SL(n,C) fundamental representations as exterior powers
SU(3)A₂ Dynkin-label conventionSection 26.5: Weyl dimension formula, specialized to the three positive A₂ roots · Section 27.2: SL(n,C) fundamental representations as exterior powers
SU(3)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(3)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(3)Actual real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
PSU(3)Real dimensionSections 6.1–6.3: dim su(3)=8; a discrete central quotient preserves the Lie algebra
PSU(3)RepresentationsSection 27.2: the two A₂ fundamental modules have scalar charges 1 and 2
PSU(3)A₂ Dynkin-label conventionSection 27.2: the two A₂ fundamental modules have scalar charges 1 and 2
PSU(3)Actual real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
U(1)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
U(1)Real dimensionSection 6: U(1) has Lie algebra iR of real dimension 1
U(1)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
U(1)Fundamental groupSection 3.2: R → R/Z as a covering of the circle
U(1)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
U(1)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
U(1)RankSections 6.1–6.3: classical matrix groups and their Lie algebras
U(1)Topology and global formSection 3.2: covering groups of the circle
U(1)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
U(1)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
U(1)Actual real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
U(1)Explicit homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1)Explicit homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
Spin(4)Fundamental groupSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
Spin(4)Topology and global formSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
Spin(4)Actual real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2,ℂ)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2,ℂ)Real dimensionSections 6.1–6.3: sl(2,C) has complex dimension 3 and real dimension 6
SL(2,ℂ)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2,ℂ)RepresentationsSection 9.4: real forms and complexification
SL(2,ℂ)The Lorentz algebra is a realificationSection 9.4: real forms and complexification
SL(2,ℂ)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2,ℂ)Related groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2,ℂ)Actual real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(3, C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(3, C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(3, C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(4, C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(4, C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(4, C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(5, C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(5, C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(5, C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(5, C) ≅ sp(4, C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(5, C) ≅ sp(4, C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
so(5, C) ≅ sp(4, C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(6, C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(6, C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(6, C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(8, C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(8, C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
so(8, C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(10, C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(10, C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
so(10, C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₆(C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₆(C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
e₆(C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₇(C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₇(C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
e₇(C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₈(C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₈(C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
e₈(C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
f₄(C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
f₄(C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
f₄(C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
g₂(C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
g₂(C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
g₂(C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) ⊕ sl(2, C)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) ⊕ sl(2, C)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) ⊕ sl(2, C)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) ⊕ sl(2, C)Using the algebra recordSections 6.1–6.3: classical matrix groups and their Lie algebras
C (zero bracket)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
C (zero bracket)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
C (zero bracket)Complex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
C (zero bracket)Using the algebra recordSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) ⊕ CDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) ⊕ CScalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) ⊕ CComplex dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) ⊕ CUsing the algebra recordSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(3)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
su(3)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(4) ≅ so(6)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(4) ≅ so(6)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
su(4) ≅ so(6)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(5)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(5)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
su(5)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(2) ≅ so(5)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(2) ≅ so(5)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(2) ≅ so(5)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(3)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(3)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(8)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(8)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
so(8)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(10)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(10)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
so(10)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₆ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₆ compactScalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
e₆ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₇ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₇ compactScalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
e₇ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₈ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₈ compactScalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
e₈ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
f₄ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
f₄ compactScalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
f₄ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
g₂ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
g₂ compactScalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
g₂ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2) ⊕ su(2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2) ⊕ su(2)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2) ⊕ su(2)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
u(1)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
u(1)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
u(1)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
u(1)From algebra to groupSections 6.1–6.3: classical matrix groups and their Lie algebras
u(2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
u(2)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
u(2)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
u(2)From algebra to groupSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, R)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, R)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, R)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(3, R)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(3, R)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(3, R)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2,2) ≅ so(2,4)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2,2) ≅ so(2,4)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2,2) ≅ so(2,4)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(4, R) ≅ so(2,3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(4, R) ≅ so(2,3)Scalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(4, R) ≅ so(2,3)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) viewed over RDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) viewed over RScalar fieldSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) viewed over RReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) viewed over RFrom algebra to groupSection 9.4: real forms and complexification
su(2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(3)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(4) ≅ so(6)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(4) ≅ so(6)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(5)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(5)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(2) ≅ so(5)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(2) ≅ so(5)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(3)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(8)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(8)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(10)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
so(10)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₆ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₆ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₇ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₇ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₈ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
e₈ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
f₄ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
f₄ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
g₂ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
g₂ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2) ⊕ su(2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2) ⊕ su(2)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, R)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, R)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(3, R)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(3, R)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2,2) ≅ so(2,4)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
su(2,2) ≅ so(2,4)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(4, R) ≅ so(2,3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sp(4, R) ≅ so(2,3)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) viewed over RDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
sl(2, C) viewed over RReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(4)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(4)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(4)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(4)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(4)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
PSU(4)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
PSU(4)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
PSU(4)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
PSU(4)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
PSU(4)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(5)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(5)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(5)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(5)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(5)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
U(2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
U(2)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
U(2)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
U(2)Fundamental group π₁Sections 6.1–6.3: classical matrix groups and their Lie algebras
U(2)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
U(2)Global formSections 6.1–6.3: classical matrix groups and their Lie algebras
U(2)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
U(2)Global structure and topologySections 6.1–6.3: classical matrix groups and their Lie algebras
U(2)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(4)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(4)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(4)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(4)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(4)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(5)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(5)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(5)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(5)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(5)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(6)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(6)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(6)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(6)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(6)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(2)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(2)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(2)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(2)Symplectic notationSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(2)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(3)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(3)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(3)Global formSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(3)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(3)Global structure and topologySections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(3)Symplectic notationSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(3)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(8)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(8)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(8)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(8)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(8)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(8)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(8)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(8)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(8)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(8)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
PSO(8)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
PSO(8)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
PSO(8)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
PSO(8)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
PSO(8)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(10)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(10)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(10)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(10)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Spin(10)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(10)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(10)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(10)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(10)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(10)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
G₂ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
G₂ compactAbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
G₂ compactReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
G₂ compactReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
F₄ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
F₄ compactAbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
F₄ compactReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
F₄ compactReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, simply connectedDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, simply connectedReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, simply connectedAbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, simply connectedReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, simply connectedReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, simply connectedDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, simply connectedReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, simply connectedAbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, simply connectedReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, simply connectedReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₈ compactDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₈ compactReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₈ compactAbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
E₈ compactReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₈ compactReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, adjointDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, adjointReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, adjointAbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, adjointReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₆ compact, adjointReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, adjointDefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, adjointReal dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, adjointAbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, adjointReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
E₇ compact, adjointReal Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)Global formSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)Maximal compact subgroupSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)Global structure and topologySections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)Representation category and descentRemark 36.7, printed page 196: finite-dimensional representations of the universal cover factor through SL(2,R)
SL(2, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)Explicit homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)Explicit homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(2, R)Specified connected covering groupSections 6.1–6.3: classical matrix groups and their Lie algebras
PSL(2, R)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
PSL(2, R)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
PSL(2, R)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
PSL(2, R)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
PSL(2, R)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
PSL(2, R)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
PSL(2, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
PSL(2, R)Maximal compact subgroupSections 6.1–6.3: classical matrix groups and their Lie algebras
PSL(2, R)Representation category and descentRemark 36.7: finite-dimensional representations and the universal cover
PSL(2, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Universal cover of SL(2, R)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
Universal cover of SL(2, R)Fundamental group π₁Section 3.2: universal covering Lie groups
Universal cover of SL(2, R)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
Universal cover of SL(2, R)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
Universal cover of SL(2, R)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
Universal cover of SL(2, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Universal cover of SL(2, R)Representation category and descentRemark 36.7, printed page 196; Exercise 11.20: finite-dimensional representations and nonlinearity of the universal cover
Universal cover of SL(2, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)Global formSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)Maximal compact subgroupSections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)Global structure and topologySections 6.1–6.3: classical matrix groups and their Lie algebras
SL(3, R)Representation category and descentSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 9: Lie-group and Lie-algebra representations; connected integration
SL(3, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)Global formSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)Maximal compact subgroupSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)Global structure and topologySections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2,2)Explicit homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)Global formSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)Maximal compact subgroupSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)Global structure and topologySections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)Symplectic notationSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R)Explicit homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(1,3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(1,3)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(1,3)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(1,3)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(1,3)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(1,3)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(1,3)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(1,3)Maximal compact subgroupSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(1,3)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)Global formSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)Maximal compact subgroupSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)Global structure and topologySections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)Explicit homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,4)Specified connected covering groupSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,3)Real dimensionSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,3)CenterSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,3)CompactSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,3)ConnectedSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,3)AbelianSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,3)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,3)Maximal compact subgroupSections 6.1–6.3: classical matrix groups and their Lie algebras
SO₀(2,3)Real Lie algebraSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2) → SO(3)Global and representation consequencesSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)DomainSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)CodomainSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)Specified homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)KernelSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)ImageSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)InjectiveSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)SurjectiveSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)Global and representation consequencesSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)Global and representation consequencesSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)Domain groupSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)Codomain groupSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ↪ SU(2)Associated homogeneous quotientSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)DefinitionSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)DomainSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)CodomainSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)Specified homomorphismSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)KernelSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)ImageSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)InjectiveSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)SurjectiveSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)Global and representation consequencesSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)Global and representation consequencesSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)Domain groupSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)Codomain groupSections 6.1–6.3: classical matrix groups and their Lie algebras · Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
U(1) ≅ SO(2) ↪ SO(3)Associated homogeneous quotientSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SL(2, C) → SO₀(1,3)Global and representation consequencesSections 6.1–6.3: classical matrix groups and their Lie algebras
Universal SL(2,R) cover → SL(2,R)DefinitionSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)DomainSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)CodomainSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)Specified homomorphismSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)KernelSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)ImageSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)InjectiveSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)SurjectiveSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)Covering degreeSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)Global and representation consequencesSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)Domain groupSection 3.2: covering Lie groups
Universal SL(2,R) cover → SL(2,R)Codomain groupSection 3.2: covering Lie groups
Sp(4, R) → SO₀(2,3)DefinitionSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)DomainSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)CodomainSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)Specified homomorphismSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)KernelSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)ImageSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)InjectiveSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)SurjectiveSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)Covering degreeSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)Global and representation consequencesSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)Global and representation consequencesSections 6.1–6.3: classical matrix groups and their Lie algebras
Sp(4, R) → SO₀(2,3)Domain groupSection 31.1, printed page 165: the primitive exterior-square symplectic module
Sp(4, R) → SO₀(2,3)Codomain groupSection 31.1, printed page 165: the primitive exterior-square symplectic module
SU(2)/U(1) ≅ S²DefinitionSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)/U(1) ≅ S²Real dimensionSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)/U(1) ≅ S²ManifoldSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)/U(1) ≅ S²Fiber angle periodSections 6.1–6.3: classical matrix groups and their Lie algebras
SU(2)/U(1) ≅ S²Boundary π₂(S²) → π₁(U(1))Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)/U(1) ≅ S²The exact sequence with generatorsSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)/U(1) ≅ S²The exact sequence with generatorsSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)/U(1) ≅ S²Total groupSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)/U(1) ≅ S²Embedded torusSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)/U(1) ≅ S²Normalized subgroup mapSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SU(2)/U(1) ≅ S²Same S², different fibrationSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²DefinitionSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²Real dimensionSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²ManifoldSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²Physical rotation angle periodSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(3)/SO(2) ≅ S²Inclusion π₁(SO(2)) → π₁(SO(3))Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²Boundary π₂(S²) → π₁(SO(2))Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²The exact sequence with generatorsSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²The exact sequence with generatorsSections 6.1–6.3: classical matrix groups and their Lie algebras
SO(3)/SO(2) ≅ S²Total groupSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²Circle realized as SO(2)Section 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²Normalized rotational subgroup mapSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³
SO(3)/SO(2) ≅ S²Same S², different fibrationSection 4.17, printed page 31: SU(2)/U(1) and SO(3)/SO(2) as S²; SU(2)=S³ and SO(3)=RP³

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