Order 31424.
810 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C2 | C24×D491 |
| commutator, socle, cosocle | C2×C491 | C25 |
| Fitting | H(5,𝔽2)×C491 | C2 |
| hypercenter | H(5,𝔽2) | D491 |
| hypocenter | C491 | #585 |
| LCS | G ▷ C2×C491 ▷ C491 | |
| UCS | C1 ◁ C2 ◁ H(5,𝔽2) | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #30628384 | C2 | semidirect |
| 2. #30628382 | C2 | semidirect |
| 3. C2×#21463327 | C2 | semidirect |
| 4. #41×D491 | C2 | semidirect |
| 5. H(5,𝔽2)×C491 | C2 | semidirect |
| 6. #21463329 | C22 | semidirect |
| 7. #21463328 | C22 | semidirect |
| 8. #21463327 | C22 | semidirect |
| 9. #21463327 | C22 | semidirect |
| 10. C2×Dic982 | C22 | semidirect |
| 11. Q8×D491 | C22 | semidirect |
| 12. C2×C22⋊D491 | C22 | semidirect |
| 13. D4×D491 | C22 | semidirect |
| 14. C22×Dic491 | C22 | semidirect |
| 15. C2×C4×D491 | C22 | semidirect |
| 16. #41×C491 | C22 | semidirect |
| 17. C2×D4×C491 | C22 | semidirect |
| 40. C491 | #585 | semidirect |
| 44. H(5,𝔽2) | D491 | semidirect |
| 51. #41 | C2×D491 | semidirect |
| 56. C2×D4 | C2×D491 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #30628384 | 2 |
| #30628382 | 2 |
| C2×#21463327 | 2 |
| #41×D491 | 2 |
| H(5,𝔽2)×C491 | 2 |
| #585 | 491 |