Order 16448.
120 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. C4⋊#14523339 | C2 | semidirect |
| 4. #22551516 | C2 | semidirect |
| 5. C4⋊Q8×C257 | C2 | semidirect |
| 34. C4×C257 | SD16 | semidirect |
| 42. C257 | #461 | semidirect |
| 45. C4⋊Q8 | D257 | semidirect |
| 78. C4 | #16861605 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#16861605 | 2 |
| C4×D1028 | 2 |
| C4⋊#14523339 | 2 |
| #22551516 | 2 |
| C4⋊Q8×C257 | 2 |
| #461 | 257 |