Order 17728.
96 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C277 | C2×D4 |
| commutator, Frattini, cosocle | C2×C4 | C23×C277 |
| prime radical | C2×D4×C277 | C22 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C277 ◁ C42×C277 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #125×C277 | C2 | semidirect |
| 3. #103×C277 | C2 | semidirect |
| 5. C4×C8×C277 | C2 | semidirect |
| 31. C277 | #488 | direct (N × H) |
| 32. #488 | C277 | direct (N × H) |
| 33. #125 | C2×C277 | semidirect |
| 35. #103 | C2×C277 | semidirect |
| 37. C4×C8 | C2×C277 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #125×C277 | 2 |
| #124×C277 | 2 |
| #103×C277 | 2 |
| #102×C277 | 2 |
| C4×C8×C277 | 2 |
| #488 | 277 |