Finite Group DatabasebetaFinite Group DatabasebetaOrder 20864.
644 conjugacy classes of subgroups; only the 209 normal subgroups are shown.
This group has 644 conjugacy classes of subgroups — too many to draw. Only its 209 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 | C23×D163 |
| commutator, socle, cosocle | C23×C163 | C24 |
| Fitting | #384×C163 | C2 |
| prime radical | C23×D163 | C23 |
| hypercenter | #384 | D163 |
| hypocenter | C163 | #2857 |
| LCS | G ▷ C23×C163 ▷ C163 | |
| UCS | C1 ◁ C23 ◁ #384 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×#19104735 | C2 | semidirect |
| 4. #23781570 | C2 | semidirect |
| 5. #23781564 | C2 | semidirect |
| 7. #384×C163 | C2 | semidirect |
| 35. C2×C4×D163 | Q8 | semidirect |
| 82. C2×D163 | C4⋊Q8 | semidirect |
| 85. C4×C163 | C22⋊Q8 | semidirect |
| 95. C163 | #2857 | semidirect |
| 102. #384 | D163 | semidirect |
| 184. C4 | #19104715 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#19104735 | 2 |
| C2×#19104715 | 2 |
| C2×C42×D163 | 2 |
| #23781570 | 2 |
| #23781564 | 2 |
| #23781522 | 2 |
| #384×C163 | 2 |
| #2857 | 163 |