Finite Group DatabasebetaFinite Group DatabasebetaOrder 17728.
212 conjugacy classes of subgroups; only the 99 normal subgroups are shown.
This group has 212 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×D277 |
| commutator, socle, cosocle | C22×C277 | C24 |
| Fitting | C4⋊Q8×C277 | C2 |
| prime radical | C2×D1108 | C22 |
| hypercenter | C4⋊Q8 | D277 |
| hypocenter | C277 | #556 |
| LCS | G ▷ C22×C277 ▷ C277 | |
| UCS | C1 ◁ C22 ◁ C4⋊Q8 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #22579875 | C2 | semidirect |
| 3. #22579860 | C2 | semidirect |
| 4. Q8×Dic277 | C2 | semidirect |
| 5. C4×Dic554 | C2 | semidirect |
| 7. #22579838 | C2 | semidirect |
| 8. C4⋊Q8×C277 | C2 | semidirect |
| 52. C277 | #556 | semidirect |
| 54. C4⋊Q8 | D277 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #22579875 | 2 |
| #22579869 | 2 |
| #22579860 | 2 |
| Q8×Dic277 | 2 |
| C4×Dic554 | 2 |
| C4×D1108 | 2 |
| #22579838 | 2 |
| C4⋊Q8×C277 | 2 |
| #556 | 277 |