@misc{gfp_map_sp_2_to_so_5,
  author = {{Groups for Physics}},
  title = {Sp(2) → SO(5)},
  howpublished = {Groups for Physics reference},
  url = {https://groups.qft.org/atlas/maps/sp-2-to-so-5/},
  version = {2026.11-workbench.4},
  note = {Research workbench IV; review status recorded on canonical page}
}