Order 15712.
146 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C2 | C23×D491 |
| commutator, socle, cosocle | C2×C491 | C24 |
| Fitting | #41×C491 | C2 |
| hypercenter | #41 | D491 |
| hypocenter | C491 | 2−1+4 |
| LCS | G ▷ C2×C491 ▷ C491 | |
| UCS | C1 ◁ C2 ◁ #41 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #21463328 | C2 | semidirect |
| 2. #21463327 | C2 | semidirect |
| 3. C2×Dic982 | C2 | semidirect |
| 4. Q8×D491 | C2 | semidirect |
| 5. #41×C491 | C2 | semidirect |
| 23. C491 | 2−1+4 | semidirect |
| 27. #41 | D491 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #21463328 | 2 |
| #21463327 | 2 |
| C2×Dic982 | 2 |
| Q8×D491 | 2 |
| #41×C491 | 2 |
| 2−1+4 | 491 |