Order 19744.
146 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C2 | C23×D617 |
| commutator, socle, cosocle | C2×C617 | C24 |
| Fitting | #41×C617 | C2 |
| hypercenter | #41 | D617 |
| hypocenter | C617 | 2−1+4 |
| LCS | G ▷ C2×C617 ▷ C617 | |
| UCS | C1 ◁ C2 ◁ #41 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #23754600 | C2 | semidirect |
| 2. #23754599 | C2 | semidirect |
| 3. C2×Dic1234 | C2 | semidirect |
| 4. Q8×D617 | C2 | semidirect |
| 5. #41×C617 | C2 | semidirect |
| 23. C617 | 2−1+4 | semidirect |
| 27. #41 | D617 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #23754600 | 2 |
| #23754599 | 2 |
| C2×Dic1234 | 2 |
| Q8×D617 | 2 |
| #41×C617 | 2 |
| 2−1+4 | 617 |