Finite Group DatabasebetaFinite Group DatabasebetaOrder 31424.
250 conjugacy classes of subgroups; only the 95 normal subgroups are shown.
This group has 250 conjugacy classes of subgroups — too many to draw. Only its 95 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C22 | C23×D491 |
| commutator, socle, cosocle | C22×C491 | C24 |
| Fitting | C2×C22⋊C4×C491 | C2 |
| hypercenter | C2×C22⋊C4 | D491 |
| hypocenter | C491 | #538 |
| LCS | G ▷ C22×C491 ▷ C491 | |
| UCS | C1 ◁ C22 ◁ C2×C22⋊C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #30628330 | C2 | semidirect |
| 2. #30628323 | C2 | semidirect |
| 3. #30628319 | C2 | semidirect |
| 4. #30628316 | C2 | semidirect |
| 5. #30628311 | C2 | semidirect |
| 6. #30628310 | C2 | semidirect |
| 7. #30628306 | C2 | semidirect |
| 8. C4×C22⋊D491 | C2 | semidirect |
| 9. C2×C22⋊C4×C491 | C2 | semidirect |
| 10. C2×Dic982 | C22 | semidirect |
| 11. C2×D1964 | C22 | semidirect |
| 15. C2×C4×D491 | C22 | semidirect |
| 16. C4⋊Dic491 | C22 | semidirect |
| 17. C4⋊Dic491 | C22 | semidirect |
| 18. Dic491⋊C4 | C22 | semidirect |
| 19. Dic491⋊C4 | C22 | semidirect |
| 23. (C2×D491)⋊C4 | C22 | semidirect |
| 24. (C2×D491)⋊C4 | C22 | semidirect |
| 25. C4×Dic491 | C22 | semidirect |
| 74. C491 | #538 | semidirect |
| 84. C2×C22⋊C4 | D491 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #30628330 | 2 |
| #30628323 | 2 |
| #30628319 | 2 |
| #30628316 | 2 |
| #30628311 | 2 |
| #30628310 | 2 |
| #30628306 | 2 |
| C4×C22⋊D491 | 2 |
| C2×C22⋊C4×C491 | 2 |
| #538 | 491 |