Order 31424.
240 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 | #540 |
| 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. #30628329 | C2 | semidirect |
| 2. #30628318 | C2 | semidirect |
| 3. #30628309 | C2 | semidirect |
| 4. #30628308 | C2 | semidirect |
| 5. D4×Dic491 | C2 | semidirect |
| 6. #30628294 | C2 | semidirect |
| 7. #127×C491 | C2 | semidirect |
| 48. C491 | #540 | semidirect |
| 50. #127 | D491 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #30628329 | 2 |
| #30628318 | 2 |
| #30628309 | 2 |
| #30628308 | 2 |
| D4×Dic491 | 2 |
| #30628294 | 2 |
| #127×C491 | 2 |
| #540 | 491 |