Order 16448.
130 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×Dic1028 | C2 | semidirect |
| 2. C2×#16861607 | C2 | semidirect |
| 4. #22551580 | C2 | semidirect |
| 5. C4×C8×C257 | C2 | semidirect |
| 35. C257 | #495 | semidirect |
| 41. C4×C8 | D257 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×Dic1028 | 2 |
| C2×#16861607 | 2 |
| C2×D2056 | 2 |
| #22551580 | 2 |
| C4×C8×C257 | 2 |
| #495 | 257 |