Order 16448.
108 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #22551591 | C2 | semidirect |
| 3. #22551526 | C2 | semidirect |
| 4. #22551525 | C2 | semidirect |
| 5. #22551521 | C2 | semidirect |
| 28. D4×C257 | Q8 | semidirect |
| 47. C257 | #474 | semidirect |
| 70. D4 | Dic514 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #22551591 | 2 |
| D4×Dic257 | 2 |
| #22551526 | 2 |
| #22551525 | 2 |
| #22551521 | 2 |
| #22551513 | 2 |
| #102×C257 | 2 |
| #474 | 257 |