Order 16448.
84 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #22551615 | C2 | semidirect |
| 2. #22551535 | C2 | semidirect |
| 3. D4112 | C2 | semidirect |
| 4. C16×D257 | C2 | semidirect |
| 5. Q32×C257 | C2 | semidirect |
| 28. C257 | #508 | semidirect |
| 31. Q32 | D257 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #22551615 | 2 |
| #22551535 | 2 |
| D4112 | 2 |
| C16×D257 | 2 |
| Q32×C257 | 2 |
| #508 | 257 |