Order 1458.
126 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C1 | G |
| commutator, cosocle, hypocenter | C9×C27 | C2×C3 |
| Frattini | C3×C9 | C3×C3⋊D3 |
| Fitting | #10624728 | C2 |
| socle | C32 | C3×C3⋊D9 |
| LCS | G ▷ C9×C27 | |
| UCS | C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #10624728 | C2 | semidirect |
| 4. C9⋊D27 | C3 | semidirect |
| 12. C9×C27 | C2×C3 | semidirect |
| 54. C27 | AGL(1,ℤ/9) | semidirect |
| 71. C9 | D27⋊C3 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #10624728 | 2 |
| C3⋊(D27⋊C3) | 3 |
| #92299 | 3 |
| C9⋊D27 | 3 |
| #92172 | 3 |