Order 15712.
62 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center | C4×C491 | D4 |
| commutator, Frattini, cosocle | C4 | C23×C491 |
| socle | C2×C491 | C2×D4 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C4×C491 ◁ C2×C4×C491 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #41×C491 | C2 | semidirect |
| 2. Q16×C491 | C2 | semidirect |
| 3. SD16×C491 | C2 | semidirect |
| 4. D8×C491 | C2 | semidirect |
| 5. C2×C8×C491 | C2 | semidirect |
| 21. C491 | #135 | direct (N × H) |
| 22. #135 | C491 | direct (N × H) |
| 23. #41 | C2×C491 | semidirect |
| 24. Q16 | C2×C491 | semidirect |
| 25. SD16 | C2×C491 | semidirect |
| 26. D8 | C2×C491 | semidirect |
| 27. C2×C8 | C2×C491 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #41×C491 | 2 |
| Q16×C491 | 2 |
| SD16×C491 | 2 |
| D8×C491 | 2 |
| C2×C8×C491 | 2 |
| #135 | 491 |