Finite Group DatabasebetaFinite Group DatabasebetaOrder 17984.
238 conjugacy classes of subgroups; only the 99 normal subgroups are shown.
This group has 238 conjugacy classes of subgroups — too many to draw. Only its 99 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×D281 |
| commutator, socle, cosocle | C22×C281 | C24 |
| Fitting | C4×D4×C281 | C2 |
| hypercenter | C4×D4 | D281 |
| hypocenter | C281 | #553 |
| LCS | G ▷ C22×C281 ▷ C281 | |
| UCS | C1 ◁ C22 ◁ C4×D4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #22582874 | C2 | semidirect |
| 2. #22582871 | C2 | semidirect |
| 3. #22582861 | C2 | semidirect |
| 4. #22582853 | C2 | semidirect |
| 5. #22582853 | C2 | semidirect |
| 6. #22582851 | C2 | semidirect |
| 7. C4×D1124 | C2 | semidirect |
| 8. #22582839 | C2 | semidirect |
| 9. #22582838 | C2 | semidirect |
| 10. C2×C4⋊Dic281 | C2 | semidirect |
| 11. C4×D4×C281 | C2 | semidirect |
| 78. C281 | #553 | semidirect |
| 88. C4×D4 | D281 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #22582874 | 2 |
| #22582871 | 2 |
| #22582861 | 2 |
| #22582853 | 2 |
| #22582851 | 2 |
| C4×D1124 | 2 |
| #22582839 | 2 |
| #22582838 | 2 |
| C2×C4⋊Dic281 | 2 |
| C4×D4×C281 | 2 |
| #553 | 281 |