Find the exact object.

Names, aliases, Unicode, and common TeX notation. Open full search

Finite groups · Family

2 ⁣F4(q){}^{2}\!F_{4}(q)Large Ree simple groups

Odd extension degree in characteristic 2; q ≥ 8. The Tits group is a separate small-case entry.

Classification coverageFinite simple classification
Definition

The Ree twisted groups of type ²F₄.

Definition sources

Parameter domain

Odd extension degree in characteristic 2; q ≥ 8. The Tits group is a separate small-case entry.

ParameterAllowed values
qq = 2^(2m+1), integer m ≥ 1
Classification sources and conventions

Reference properties

PropertyValueEvidence
Parameter domainq: q = 2^(2m+1), integer m ≥ 1Sources
Scope and restrictionsOdd extension degree in characteristic 2; q ≥ 8. The Tits group is a separate small-case entry.Sources

Exceptions and identifications

m = 0; q = 2: ²F₄(2) is not simple. Its index-two derived subgroup ²F₄(2)′ is the Tits simple group. [sources]

Related objects and maps

Claims and sources

Each assertion has a stable identifier within this record and a source locator or derivation. Cite the dataset edition when referring to a corrected or historical claim.

Definition

The Ree twisted groups of type ²F₄.

family:finite-ree-f4#definition
Parameter domain

q: q = 2^(2m+1), integer m ≥ 1

family:finite-ree-f4#parameters
Scope and restrictions

Odd extension degree in characteristic 2; q ≥ 8. The Tits group is a separate small-case entry.

family:finite-ree-f4#restriction
Exceptions and identifications

m = 0; q = 2: ²F₄(2) is not simple. Its index-two derived subgroup ²F₄(2)′ is the Tits simple group.

family:finite-ree-f4#exceptions-1
Tits derived subgroup

group:tits

family:finite-ree-f4#relation-1