Order 31424.
252 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C22 | C23×D491 |
| commutator, socle, cosocle | C22×C491 | C24 |
| Fitting | #127×C491 | C2 |
| hypercenter | #127 | D491 |
| hypocenter | C491 | #560 |
| LCS | G ▷ C22×C491 ▷ C491 | |
| UCS | C1 ◁ C22 ◁ #127 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #30628331 | C2 | semidirect |
| 2. #30628318 | C2 | semidirect |
| 3. #30628309 | C2 | semidirect |
| 4. #30628305 | C2 | semidirect |
| 5. #127×C491 | C2 | semidirect |
| 8. C22×Dic491 | C22 | semidirect |
| 9. Dic491⋊C4 | C22 | semidirect |
| 11. C22⋊Dic491 | C22 | semidirect |
| 14. C2×D4×C491 | C22 | semidirect |
| 15. C42×C491 | C22 | semidirect |
| 38. C491 | #560 | semidirect |
| 40. #127 | D491 | semidirect |
| 48. C2×D4 | C2×D491 | semidirect |
| 54. C42 | C2×D491 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #30628331 | 2 |
| #30628318 | 2 |
| #30628309 | 2 |
| #30628305 | 2 |
| #127×C491 | 2 |
| #560 | 491 |