Order 19744.
62 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center | C4 | C22⋊D617 |
| commutator, cosocle | C4×C617 | C23 |
| Frattini | C4 | C22×D617 |
| Fitting | #41×C617 | C2 |
| socle | C2×C617 | C2×D4 |
| hypercenter | #41 | D617 |
| hypocenter | C617 | #135 |
| LCS | G ▷ C4×C617 ▷ C2×C617 ▷ C617 | |
| UCS | C1 ◁ C4 ◁ C2×C4 ◁ #41 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #23754600 | C2 | semidirect |
| 2. #23754590 | C2 | semidirect |
| 3. #23754588 | C2 | semidirect |
| 4. #23754587 | C2 | semidirect |
| 5. #23754585 | C2 | semidirect |
| 6. C2×#19096921 | C2 | semidirect |
| 7. #41×C617 | C2 | semidirect |
| 30. C617 | #135 | semidirect |
| 33. #41 | D617 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #23754600 | 2 |
| #23754590 | 2 |
| #23754588 | 2 |
| #23754587 | 2 |
| #23754585 | 2 |
| C2×#19096921 | 2 |
| #41×C617 | 2 |
| #135 | 617 |