Order 21152.
164 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center | C22 | C22×D661 |
| commutator, cosocle | C2×C661 | C24 |
| Frattini | C2 | C23×D661 |
| Fitting | C2×D4×C661 | C2 |
| socle | C22×C661 | C23 |
| hypercenter | C2×D4 | D661 |
| hypocenter | C661 | C2×#41 |
| LCS | G ▷ C2×C661 ▷ C661 | |
| UCS | C1 ◁ C22 ◁ C2×D4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #24902371 | C2 | direct (N × H) |
| 2. C2×Dic1322 | C2 | semidirect |
| 3. C2×C22⋊D661 | C2 | semidirect |
| 4. C22×Dic661 | C2 | semidirect |
| 5. C2×C4×D661 | C2 | semidirect |
| 6. C2×D4×C661 | C2 | semidirect |
| 8. Dic1322 | C22 | semidirect |
| 9. C22⋊D661 | C22 | semidirect |
| 12. C2×Dic661 | C22 | semidirect |
| 13. C4×D661 | C22 | semidirect |
| 15. D4×C661 | C22 | semidirect |
| 26. C2×C661 | #41 | semidirect |
| 29. C661 | C2×#41 | semidirect |
| 34. C2×D4 | D661 | semidirect |
| 41. D4 | C2×D661 | semidirect |
| 57. C2 | #24902371 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #24902371 | 2 |
| C2×Dic1322 | 2 |
| C2×C22⋊D661 | 2 |
| C22×Dic661 | 2 |
| C2×C4×D661 | 2 |
| C2×D4×C661 | 2 |
| C2×#41 | 661 |