Order 8224.
62 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C2 | C22×#11759967 |
| commutator, socle | C2×C257 | C22×C4 |
| Fitting | D4×C257 | C4 |
| hypercenter | D4 | #11759967 |
| hypocenter | C257 | #131 |
| LCS | G ▷ C2×C257 ▷ C257 | |
| UCS | C1 ◁ C2 ◁ D4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #16861628 | C2 | semidirect |
| 2. #16861627 | C2 | semidirect |
| 3. #16861626 | C2 | semidirect |
| 4. C2×#14523346 | C2 | semidirect |
| 22. C257 | #131 | semidirect |