Finite Group DatabasebetaFinite Group DatabasebetaOrder 20288.
322 conjugacy classes of subgroups; only the 69 normal subgroups are shown.
This group has 322 conjugacy classes of subgroups — too many to draw. Only its 69 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C23 | C22×D317 |
| commutator, socle, cosocle | C23×C317 | C23 |
| Fitting | C22×D4×C317 | C2 |
| hypercenter | C22×D4 | D317 |
| hypocenter | C317 | #392 |
| LCS | G ▷ C23×C317 ▷ C317 | |
| UCS | C1 ◁ C23 ◁ C22×D4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C22×C22⋊D317 | C2 | semidirect |
| 2. C2×C22⋊Dic317 | C2 | semidirect |
| 3. C2×#19099551 | C2 | semidirect |
| 4. #23778687 | C2 | semidirect |
| 5. C22×D4×C317 | C2 | semidirect |
| 22. C22×D317 | D4 | semidirect |
| 28. C2×Dic317 | D4 | semidirect |
| 35. C23×C317 | D4 | semidirect |
| 39. C2×C4×C317 | D4 | semidirect |
| 67. C317 | #392 | semidirect |
| 70. C22×D4 | D317 | semidirect |
| 97. C23 | C22⋊D317 | semidirect |
| 107. C2×C4 | C22⋊D317 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×C22⋊D317 | 2 |
| C2×C22⋊Dic317 | 2 |
| C2×#19099551 | 2 |
| #23778687 | 2 |
| C22×D4×C317 | 2 |
| #392 | 317 |