Order 486.
66 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C9 | C32×D3 |
| commutator, socle | C32 | C2×C3×C9 |
| Fitting | C3×C27⋊C3 | C2 |
| prime radical | C32×D3 | C9 |
| cosocle | C3×C9 | C2×C32 |
| hypercenter | C27⋊C3 | D3 |
| hypocenter | C3 | C2×C27⋊C3 |
| LCS | G ▷ C32 ▷ C3 | |
| UCS | C1 ◁ C9 ◁ C27⋊C3 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C3×C27⋊C3 | C2 | semidirect |
| 4. D3×C27 | C3 | semidirect |
| 8. C27⋊C3 | D3 | direct (N × H) |
| 9. C3×C27 | C2×C3 | semidirect |
| 23. C27 | C3×D3 | semidirect |
| 40. D3 | C27⋊C3 | direct (N × H) |
| 44. C3 | C2×C27⋊C3 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C3×C27⋊C3 | 2 |
| C3×D3×C9 | 3 |
| C2×C27⋊C3 | 3 |
| D3×C27 | 3 |