Finite Group DatabasebetaFinite Group DatabasebetaOrder 486.
42 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #6867 | C2 | 1 | 1 | yes | maximal, characteristic, complemented, Sylow |
| 2 | C3×C3⋊D9 | C3 | 1 | 1 | yes | maximal, characteristic |
| 3 | (C3⋊D3)⋊C9 | — | 3 | 1 | no | maximal |
| 4 | C32×C9 | C2×C3 | 1 | 1 | yes | characteristic |
| 5 | C32⋊C9 | — | 2 | 1 | no | — |
| 6 | C32⋊C9 | D3 | 1 | 1 | yes | characteristic |
| 7 | C3×C3⋊D3 | — | 3 | 1 | no | — |
| 8 | C3⋊D9 | C9 | 1 | 1 | yes | characteristic, complemented |
| 9 | D3×C9 | — | 9 | 1 | no | — |
| 10 | C3×D9 | — | 9 | 1 | no | — |
| 11 | C33 | C3×D3 | 1 | 1 | yes | characteristic |
| 12 | C3×C9 | — | 2 | 1 | no | — |
| 13 | C3×C9 | — | 3 | 1 | no | — |
| 14 | C3×C9 | — | 3 | 1 | no | — |
| 15 | C3×C9 | — | 6 | 1 | no | — |
| 16 | C3×C9 | — | 6 | 1 | no | — |
| 17 | C3×C9 | C2×C9 | 1 | 1 | yes | characteristic, complemented |
| 18 | C3⋊D3 | — | 3 | 1 | no | — |
| 19 | C3×D3 | — | 9 | 1 | no | — |
| 20 | C3×D3 | — | 27 | 1 | no | — |
| 21 | C2×C9 | — | 27 | 1 | no | — |
| 22 | D9 | — | 9 | 1 | no | — |
| 23 | C32 | — | 2 | 1 | no | — |
| 24 | C32 | — | 3 | 1 | no | — |
| 25 | C32 | — | 6 | 1 | no | — |
| 26 | C32 | D3×C9 | 1 | 1 | yes | characteristic |
| 27 | C32 | (C3⋊D3)⋊C3 | 1 | 1 | yes | characteristic |
| 28 | C9 | — | 3 | 1 | no | — |
| 29 | C9 | — | 6 | 1 | no | — |
| 30 | C9 | — | 9 | 1 | no | — |
| 31 | C9 | — | 18 | 1 | no | — |
| 32 | C2×C3 | — | 27 | 1 | no | — |
| 33 | D3 | — | 9 | 1 | no | — |
| 34 | D3 | — | 27 | 1 | no | — |
| 35 | C3 | — | 2 | 1 | no | — |
| 36 | C3 | — | 3 | 1 | no | — |
| 37 | C3 | — | 6 | 1 | no | — |
| 38 | C3 | (C3⋊D3)⋊C9 | 1 | 1 | yes | characteristic |
| 39 | C3 | #4177 | 1 | 1 | yes | characteristic |
| 40 | C2 | — | 27 | 1 | no | Sylow |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C3 | #4177 |
| commutator, hypocenter | C3×C9 | C2×C9 |
| Frattini | C33 | C3×D3 |
| Fitting | #6867 | C2 |
| socle | C32 | (C3⋊D3)⋊C3 |
| prime radical | C3×C3⋊D9 | C3 |
| cosocle | C32×C9 | C2×C3 |
| LCS | G ▷ C3×C9 | |
| UCS | C1 ◁ C3 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #6867 | C2 | semidirect |
| 8. C3⋊D9 | C9 | semidirect |
| 17. C3×C9 | C2×C9 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #6867 | 2 |
| C3×C3⋊D9 | 3 |
| (C3⋊D3)⋊C9 | 3 |