Finite Group DatabasebetaFinite Group DatabasebetaOrder 20046.
16 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C3×C13×C257 | C2 | 1 | 1 | yes | maximal, characteristic, complemented, Hall |
| 2 | C13×D257 | — | 3 | 1 | no | maximal, Hall |
| 3 | C13×C257 | D3 | 1 | 1 | yes | characteristic, complemented, Hall |
| 4 | D771 | C13 | 1 | 1 | yes | maximal, characteristic, direct product factor, Hall |
| 5 | C3×C257 | C2×C13 | 1 | 1 | yes | characteristic, complemented, Hall |
| 6 | D257 | — | 3 | 1 | no | Hall |
| 7 | C257 | D3×C13 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 8 | D3×C13 | — | 257 | 1 | no | maximal, Hall |
| 9 | C3×C13 | D257 | 1 | 1 | yes | characteristic, complemented, Hall |
| 10 | C2×C13 | — | 771 | 1 | no | Hall |
| 11 | C13 | D771 | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| 12 | D3 | — | 257 | 1 | no | Hall |
| 13 | C3 | C13×D257 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 14 | C2 | — | 771 | 1 | no | Sylow |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C13 | D771 |
| commutator, cosocle, hypocenter | C3×C257 | C2×C13 |
| Frattini | C1 | G |
| Fitting, socle | C3×C13×C257 | C2 |
| LCS | G ▷ C3×C257 | |
| UCS | C1 ◁ C13 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C3×C13×C257 | C2 | semidirect |
| 3. C13×C257 | D3 | semidirect |
| 4. D771 | C13 | direct (N × H) |
| 5. C3×C257 | C2×C13 | semidirect |
| 7. C257 | D3×C13 | semidirect |
| 9. C3×C13 | D257 | semidirect |
| 11. C13 | D771 | direct (N × H) |
| 13. C3 | C13×D257 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C3×C13×C257 | 2 |
| C13×D257 | 3 |
| D771 | 13 |
| D3×C13 | 257 |