Order 16448.
58 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C4 | #16861632 |
| commutator, hypocenter | C257 | C4×C16 |
| Frattini | C2 | C2×#16861632 |
| Fitting | C4×C257 | C16 |
| socle | C2×C257 | C2×C16 |
| prime radical | C2×D257 | C2×C8 |
| cosocle | C2×#14523348 | C22 |
| LCS | G ▷ C257 | |
| UCS | C1 ◁ C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. #16861632 | C4 | direct (N × H) |
| 13. #11759967 | C16 | semidirect |
| 16. C4×C257 | C16 | semidirect |
| 17. Dic257 | C16 | semidirect |
| 21. C257 | C4×C16 | semidirect |
| 39. C4 | #16861632 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#16861632 | 2 |
| C4×#14523348 | 2 |
| C4×C16 | 257 |