Order 21152.
76 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center | C2 | D4×D661 |
| commutator, cosocle | C4×C661 | C23 |
| Frattini | C4 | C22×D661 |
| Fitting | D8×C661 | C2 |
| socle | C2×C661 | C2×D4 |
| hypercenter | D8 | D661 |
| hypocenter | C661 | C2×D8 |
| LCS | G ▷ C4×C661 ▷ C2×C661 ▷ C661 | |
| UCS | C1 ◁ C2 ◁ C4 ◁ D8 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. D4×D661 | C2 | semidirect |
| 2. D5288 | C2 | semidirect |
| 3. #24902357 | C2 | semidirect |
| 4. C8×D661 | C2 | semidirect |
| 5. D8×C661 | C2 | semidirect |
| 7. D2644 | C22 | semidirect |
| 10. #19126971 | C22 | semidirect |
| 11. D4×C661 | C22 | semidirect |
| 12. C8×C661 | C22 | semidirect |
| 22. D661 | D8 | direct (N × H) |
| 23. C661 | C2×D8 | semidirect |
| 28. D8 | D661 | direct (N × H) |
| 33. D4 | C2×D661 | semidirect |
| 36. C8 | C2×D661 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D4×D661 | 2 |
| D5288 | 2 |
| #24902357 | 2 |
| C8×D661 | 2 |
| D8×C661 | 2 |
| C2×D8 | 661 |