Finite Group DatabasebetaFinite Group DatabasebetaOrder 20864.
174 conjugacy classes of subgroups; only the 84 normal subgroups are shown.
This group has 174 conjugacy classes of subgroups — too many to draw. Only its 84 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C163 | D8 |
| commutator | C8 | C22×C4×C163 |
| Frattini, cosocle | C2×C8 | C23×C163 |
| socle | C22×C163 | C2×D8 |
| prime radical | C2×D16×C163 | C2 |
| LCS | G ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C163 ◁ C42×C163 ◁ C4×C8×C163 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C4×D8×C163 | C2 | semidirect |
| 3. #366×C163 | C2 | semidirect |
| 4. #357×C163 | C2 | semidirect |
| 5. C4×C16×C163 | C2 | semidirect |
| 8. D16×C163 | C4 | direct (N × H) |
| 17. D8×C163 | C2×C4 | semidirect |
| 24. C16×C163 | C2×C4 | semidirect |
| 42. C4×C163 | D16 | direct (N × H) |
| 49. C163 | C4×D16 | direct (N × H) |
| 50. C4×D16 | C163 | direct (N × H) |
| 52. C4×D8 | C2×C163 | semidirect |
| 53. #366 | C2×C163 | semidirect |
| 54. #357 | C2×C163 | semidirect |
| 55. C4×C16 | C2×C163 | semidirect |
| 58. D16 | C4×C163 | direct (N × H) |
| 67. D8 | C2×C4×C163 | semidirect |
| 74. C16 | C2×C4×C163 | semidirect |
| 92. C4 | D16×C163 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×D16×C163 | 2 |
| C4×D8×C163 | 2 |
| #366×C163 | 2 |
| #357×C163 | 2 |
| C4×C16×C163 | 2 |
| C4×D16 | 163 |