Order 31424.
246 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #30628331 | C2 | direct (N × H) |
| 2. C2×Dic491⋊C4 | C2 | semidirect |
| 4. C2×C42×C491 | C2 | semidirect |
| 7. Dic491⋊C4 | C22 | semidirect |
| 10. C42×C491 | C22 | semidirect |
| 24. C2×C491 | #126 | semidirect |
| 27. C491 | C2×#126 | semidirect |
| 32. C2×C42 | D491 | semidirect |
| 38. C42 | C2×D491 | semidirect |
| 53. C2 | #30628331 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #30628331 | 2 |
| C2×Dic491⋊C4 | 2 |
| C2×(C2×D491)⋊C4 | 2 |
| C2×C42×C491 | 2 |
| C2×#126 | 491 |