Order 12608.
260 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C22 | C23×D197 |
| commutator, socle, cosocle | C22×C197 | C24 |
| Fitting | #120×C197 | C2 |
| hypercenter | #120 | D197 |
| hypocenter | C197 | H(3,𝔽4) |
| LCS | G ▷ C22×C197 ▷ C197 | |
| UCS | C1 ◁ C22 ◁ #120 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #20263313 | C2 | semidirect |
| 2. #20263312 | C2 | semidirect |
| 3. #20263295 | C2 | semidirect |
| 4. #20263294 | C2 | semidirect |
| 5. #120×C197 | C2 | semidirect |
| 6. C23×D197 | C22 | semidirect |
| 7. C2×Dic394 | C22 | semidirect |
| 9. C22⋊Dic197 | C22 | semidirect |
| 10. C22⋊Dic197 | C22 | semidirect |
| 11. #15691335 | C22 | semidirect |
| 12. C4×Dic197 | C22 | semidirect |
| 13. C24×C197 | C22 | semidirect |
| 15. C22⋊C4×C197 | C22 | semidirect |
| 39. C197 | H(3,𝔽4) | semidirect |
| 45. #120 | D197 | semidirect |
| 47. C24 | C2×D197 | semidirect |
| 54. C22⋊C4 | C2×D197 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #20263313 | 2 |
| #20263312 | 2 |
| #20263295 | 2 |
| #20263294 | 2 |
| #120×C197 | 2 |
| H(3,𝔽4) | 197 |