Finite Group DatabasebetaFinite Group DatabasebetaOrder 20439.
16 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C32×C757 | C3 | 1 | 1 | yes | maximal, characteristic |
| 2 | #20291840 | C3 | 1 | 3 | yes | maximal, complemented |
| 3 | C3×C757 | — | 3 | 1 | no | — |
| 4 | C3×C757 | C32 | 1 | 1 | yes | characteristic |
| 5 | C757 | 3−1+2 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 6 | 3−1+2 | — | 757 | 1 | no | maximal, Sylow |
| 7 | C32 | C757⋊C3 | 1 | 1 | yes | characteristic |
| 8 | C9 | — | 757 | 3 | no | — |
| 9 | C3 | — | 3 | 1 | no | — |
| 10 | C3 | C3×C757⋊C3 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C3 | C3×C757⋊C3 |
| commutator, socle, cosocle | C3×C757 | C32 |
| Fitting, prime radical | C32×C757 | C3 |
| hypercenter | C32 | C757⋊C3 |
| hypocenter | C757 | 3−1+2 |
| LCS | G ▷ C3×C757 ▷ C757 | |
| UCS | C1 ◁ C3 ◁ C32 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #20291840 | C3 | semidirect |
| 5. C757 | 3−1+2 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C32×C757 | 3 |
| #20291840 | 3 |
| 3−1+2 | 757 |