Order 16448.
200 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C22 | C23×D257 |
| commutator, socle, prime radical, cosocle | C22×C257 | C24 |
| Fitting | C4×Q8×C257 | C2 |
| hypercenter | C4×Q8 | D257 |
| hypocenter | C257 | #557 |
| LCS | G ▷ C22×C257 ▷ C257 | |
| UCS | C1 ◁ C22 ◁ C4×Q8 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 26. Dic514 | Q8 | semidirect |
| 48. C257 | #557 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #22551592 | 2 |
| #22551590 | 2 |
| #22551584 | 2 |
| #22551582 | 2 |
| C4×Dic514 | 2 |
| #22551557 | 2 |
| C4×Q8×C257 | 2 |
| #557 | 257 |