Finite Group DatabasebetaFinite Group DatabasebetaOrder 20576.
236 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C24×C643 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C22×C4×C643 | C2 | 1 | 14 | yes | maximal, direct product factor |
| 3 | C23×C643 | C4 | 1 | 8 | yes | direct product factor |
| 4 | C23×C643 | C22 | 1 | 7 | yes | — |
| 5 | C2×C4×C643 | C22 | 1 | 28 | yes | direct product factor |
| 6 | C22×C643 | C2×C4 | 1 | 28 | yes | direct product factor |
| 7 | C22×C643 | C23 | 1 | 7 | yes | — |
| 8 | C4×C643 | C23 | 1 | 8 | yes | direct product factor |
| 9 | C2×C643 | C22×C4 | 1 | 14 | yes | direct product factor |
| 10 | C2×C643 | C24 | 1 | 1 | yes | characteristic |
| 11 | C643 | C23×C4 | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| 12 | C23×C4 | C643 | 1 | 1 | yes | maximal, characteristic, direct product factor, Sylow |
| 13 | C24 | C2×C643 | 1 | 1 | yes | characteristic |
| 14 | C22×C4 | C2×C643 | 1 | 14 | yes | direct product factor |
| 15 | C23 | C4×C643 | 1 | 8 | yes | direct product factor |
| 16 | C23 | C22×C643 | 1 | 7 | yes | — |
| 17 | C2×C4 | C22×C643 | 1 | 28 | yes | direct product factor |
| 18 | C22 | C2×C4×C643 | 1 | 28 | yes | direct product factor |
| 19 | C22 | C23×C643 | 1 | 7 | yes | — |
| 20 | C4 | C23×C643 | 1 | 8 | yes | direct product factor |
| 21 | C2 | C22×C4×C643 | 1 | 14 | yes | direct product factor |
| 22 | C2 | C24×C643 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center | G | C1 |
| commutator | C1 | G |
| Frattini, cosocle | C2 | C24×C643 |
| socle, prime radical | C24×C643 | C2 |
| LCS | G ▷ C1 | |
| UCS | C1 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C22×C4×C643 | C2 | direct (N × H) |
| 3. C23×C643 | C4 | direct (N × H) |
| 5. C2×C4×C643 | C22 | direct (N × H) |
| 6. C22×C643 | C2×C4 | direct (N × H) |
| 8. C4×C643 | C23 | direct (N × H) |
| 9. C2×C643 | C22×C4 | direct (N × H) |
| 11. C643 | C23×C4 | direct (N × H) |
| 12. C23×C4 | C643 | direct (N × H) |
| 14. C22×C4 | C2×C643 | direct (N × H) |
| 15. C23 | C4×C643 | direct (N × H) |
| 17. C2×C4 | C22×C643 | direct (N × H) |
| 18. C22 | C2×C4×C643 | direct (N × H) |
| 20. C4 | C23×C643 | direct (N × H) |
| 21. C2 | C22×C4×C643 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C24×C643 | 2 |
| C22×C4×C643 | 2 |
| C23×C4 | 643 |