Finite Group DatabasebetaFinite Group DatabasebetaOrder 17728.
218 conjugacy classes of subgroups; only the 95 normal subgroups are shown.
This group has 218 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×D277 |
| commutator, socle, cosocle | C22×C277 | C24 |
| Fitting | C4×D4×C277 | C2 |
| prime radical | #22579852 | C2 |
| hypercenter | C4×D4 | D277 |
| hypocenter | C277 | #539 |
| LCS | G ▷ C22×C277 ▷ C277 | |
| UCS | C1 ◁ C22 ◁ C4×D4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #22579874 | C2 | semidirect |
| 2. #22579873 | C2 | semidirect |
| 3. #22579872 | C2 | semidirect |
| 4. #22579870 | C2 | semidirect |
| 5. #22579864 | C2 | semidirect |
| 6. #22579863 | C2 | semidirect |
| 7. #22579862 | C2 | semidirect |
| 8. #22579861 | C2 | semidirect |
| 9. #22579859 | C2 | semidirect |
| 10. #22579858 | C2 | semidirect |
| 11. #22579857 | C2 | semidirect |
| 13. C4×C22⋊D277 | C2 | semidirect |
| 14. C2×#17984542 | C2 | semidirect |
| 15. C4×D4×C277 | C2 | semidirect |
| 103. C277 | #539 | semidirect |
| 118. C4×D4 | D277 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #22579874 | 2 |
| #22579873 | 2 |
| #22579872 | 2 |
| #22579870 | 2 |
| #22579864 | 2 |
| #22579863 | 2 |
| #22579862 | 2 |
| #22579861 | 2 |
| #22579859 | 2 |
| #22579858 | 2 |
| #22579857 | 2 |
| #22579852 | 2 |
| C4×C22⋊D277 | 2 |
| C2×#17984542 | 2 |
| C4×D4×C277 | 2 |
| #539 | 277 |