Order 16448.
322 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C257 | C23 |
| commutator, Frattini, cosocle | C23 | C23×C257 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23×C257 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C22×D4×C257 | C2 | semidirect |
| 2. C2×C22⋊C4×C257 | C2 | semidirect |
| 3. #95×C257 | C2 | semidirect |
| 14. C23×C257 | D4 | semidirect |
| 19. C2×C4×C257 | D4 | semidirect |
| 34. C257 | #392 | direct (N × H) |
| 35. #392 | C257 | direct (N × H) |
| 36. C22×D4 | C2×C257 | semidirect |
| 37. C2×C22⋊C4 | C2×C257 | semidirect |
| 38. #95 | C2×C257 | semidirect |
| 49. C23 | D4×C257 | semidirect |
| 54. C2×C4 | D4×C257 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×D4×C257 | 2 |
| C2×C22⋊C4×C257 | 2 |
| #95×C257 | 2 |
| #392 | 257 |