Finite Group DatabasebetaFinite Group DatabasebetaOrder 20864.
200 conjugacy classes of subgroups; only the 76 normal subgroups are shown.
This group has 200 conjugacy classes of subgroups — too many to draw. Only its 76 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C22×C163 | #120 |
| commutator, Frattini, cosocle | C42 | C23×C163 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C163 ◁ C42×C163 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 55. Q8×C163 | Q16 | semidirect |
| 83. C163 | #1645 | direct (N × H) |
| 84. #1645 | C163 | direct (N × H) |
| 139. Q8 | Q16×C163 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| Q82×C163 | 2 |
| #487×C163 | 2 |
| #475×C163 | 2 |
| #462×C163 | 2 |
| #333×C163 | 2 |
| Q8⋊C8×C163 | 2 |
| #1645 | 163 |