Order 16448.
98 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C22 | #16861632 |
| commutator, hypocenter | C257 | C22×C16 |
| Frattini | C1 | G |
| Fitting, socle | C22×C257 | C16 |
| prime radical | C22×D257 | C8 |
| cosocle | #14523348 | C23 |
| LCS | G ▷ C257 | |
| UCS | C1 ◁ C22 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×#16861632 | C2 | direct (N × H) |
| 3. #16861632 | C22 | direct (N × H) |
| 12. C22×C257 | C16 | semidirect |
| 13. C2×D257 | C16 | semidirect |
| 17. C2×C257 | C2×C16 | semidirect |
| 18. D257 | C2×C16 | semidirect |
| 20. C257 | C22×C16 | semidirect |
| 35. C22 | #16861632 | direct (N × H) |
| 40. C2 | C2×#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 |
| C22×#14523348 | 2 |
| C22×C16 | 257 |