@misc{gfp_map_su_3_su_2_u1_to_su_5_block,
  author = {{Groups for Physics}},
  title = {SU(3) × SU(2) × U(1)_X → SU(5)},
  howpublished = {Groups for Physics reference},
  url = {https://groups.qft.org/atlas/maps/su-3-su-2-u1-to-su-5-block/},
  version = {2026.11-workbench.4},
  note = {Research workbench IV; review status recorded on canonical page}
}