Finite Group DatabasebetaFinite Group DatabasebetaOrder 22784.
128 conjugacy classes of subgroups; only the 39 normal subgroups are shown.
This group has 128 conjugacy classes of subgroups — too many to draw. Only its 39 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| subgroup | G/H | |
|---|---|---|
| center | C2 | D32×D89 |
| commutator, cosocle | C32×C89 | C23 |
| Frattini | C32 | C22×D89 |
| Fitting | C89×SD128 | C2 |
| socle | C2×C89 | C2×D32 |
| hypercenter | SD128 | D89 |
| hypocenter | C89 | #13741 |
| LCS | G ▷ C32×C89 ▷ C16×C89 ▷ C8×C89 ▷ C4×C89 ▷ C2×C89 ▷ C89 | |
| UCS | C1 ◁ C2 ◁ C4 ◁ C8 ◁ C16 ◁ C32 ◁ SD128 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #26022562 | C2 | semidirect |
| 2. #26022558 | C2 | semidirect |
| 3. #26018469 | C2 | semidirect |
| 4. #26018468 | C2 | semidirect |
| 5. #26018464 | C2 | semidirect |
| 6. C64×D89 | C2 | semidirect |
| 7. C89×SD128 | C2 | semidirect |
| 68. SD128 | D89 | semidirect |
| 71. C89 | #13741 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #26022562 | 2 |
| #26022558 | 2 |
| #26018469 | 2 |
| #26018468 | 2 |
| #26018464 | 2 |
| C64×D89 | 2 |
| C89×SD128 | 2 |
| #13741 | 89 |