Finite Group DatabasebetaFinite Group DatabasebetaOrder 20288.
236 conjugacy classes of subgroups; only the 99 normal subgroups are shown.
This group has 236 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×D317 |
| commutator, socle, cosocle | C22×C317 | C24 |
| Fitting | C4×Q8×C317 | C2 |
| prime radical | #23778777 | C2 |
| hypercenter | C4×Q8 | D317 |
| hypocenter | C317 | #559 |
| LCS | G ▷ C22×C317 ▷ C317 | |
| UCS | C1 ◁ C22 ◁ C4×Q8 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #23778769 | C2 | semidirect |
| 3. #23778768 | C2 | semidirect |
| 4. #23778765 | C2 | semidirect |
| 5. C4×Dic634 | C2 | semidirect |
| 6. C4×D1268 | C2 | semidirect |
| 7. #23778742 | C2 | semidirect |
| 8. C4×Q8×C317 | C2 | semidirect |
| 54. C317 | #559 | semidirect |
| 61. C4×Q8 | D317 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #23778777 | 2 |
| #23778769 | 2 |
| #23778768 | 2 |
| #23778765 | 2 |
| C4×Dic634 | 2 |
| C4×D1268 | 2 |
| #23778742 | 2 |
| C4×Q8×C317 | 2 |
| #559 | 317 |