Order 21152.
76 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C4 | #14581558 |
| commutator, hypocenter | C661 | C22×C8 |
| Frattini | C2 | C22×#14581558 |
| Fitting | C2×C4×C661 | C4 |
| socle | C22×C661 | C2×C4 |
| prime radical | C22×D661 | C4 |
| cosocle | Dic661 | C23 |
| LCS | G ▷ C661 | |
| UCS | C1 ◁ C2×C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. D661⋊C8 | C2 | direct (N × H) |
| 2. C2×#19126978 | C2 | semidirect |
| 4. #19126978 | C22 | semidirect |
| 11. C2×D661 | C8 | semidirect |
| 16. C2×C661 | C2×C8 | semidirect |
| 18. D661 | C2×C8 | semidirect |
| 19. C661 | C22×C8 | semidirect |
| 37. C2 | D661⋊C8 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D661⋊C8 | 2 |
| C2×#19126978 | 2 |
| C2×C4×D661 | 2 |
| C22×C8 | 661 |