Order 31424.
310 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. Q8×Dic491 | C2 | semidirect |
| 2. D4×Dic491 | C2 | semidirect |
| 3. #30628296 | C2 | semidirect |
| 4. C2×C4×Dic491 | C2 | semidirect |
| 12. #41×C491 | C4 | semidirect |
| 20. Q8×C491 | C2×C4 | semidirect |
| 21. D4×C491 | C2×C4 | semidirect |
| 22. C2×C4×C491 | C2×C4 | semidirect |
| 31. Dic491 | #41 | direct (N × H) |
| 35. C491 | C4×#41 | semidirect |
| 42. #41 | Dic491 | direct (N × H) |
| 53. Q8 | C2×Dic491 | semidirect |
| 54. D4 | C2×Dic491 | semidirect |
| 58. C2×C4 | C2×Dic491 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| Q8×Dic491 | 2 |
| D4×Dic491 | 2 |
| #30628296 | 2 |
| C2×C4×Dic491 | 2 |
| C2×#41×C491 | 2 |
| C4×#41 | 491 |