Order 20288.
106 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #23778787 | C2 | semidirect |
| 2. #23778716 | C2 | semidirect |
| 3. #23778707 | C2 | semidirect |
| 4. C8×Dic317 | C2 | semidirect |
| 12. Q16×C317 | C4 | semidirect |
| 13. SD16×C317 | C4 | semidirect |
| 14. D8×C317 | C4 | semidirect |
| 36. C317 | #443 | semidirect |
| 44. Q16 | Dic317 | semidirect |
| 45. SD16 | Dic317 | semidirect |
| 46. D8 | Dic317 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #23778787 | 2 |
| #23778716 | 2 |
| #23778707 | 2 |
| C8×Dic317 | 2 |
| #135×C317 | 2 |
| #443 | 317 |