Order 216.
54 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center | C2×C3 | C2×D9 |
| commutator, cosocle | C2×C9 | C22×C3 |
| Frattini | C2×C3 | C2×C3×D3 |
| Fitting | C3×C4×C9 | C2 |
| socle | C2×C32 | C2×D3 |
| hypercenter | C3×C4 | D9 |
| hypocenter | C9 | C3×D4 |
| LCS | G ▷ C2×C9 ▷ C9 | |
| UCS | C1 ◁ C2×C3 ◁ C3×C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×C3×D9 | C2 | semidirect |
| 2. C3×C4×C9 | C2 | semidirect |
| 4. D36 | C3 | direct (N × H) |
| 9. C2×D9 | C2×C3 | semidirect |
| 11. C4×C9 | C2×C3 | semidirect |
| 12. C3×C9 | D4 | semidirect |
| 23. C3×C4 | D9 | semidirect |
| 27. C9 | C3×D4 | semidirect |
| 35. C4 | C3×D9 | semidirect |
| 37. C3 | D36 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C3×D9 | 2 |
| C3×C4×C9 | 2 |
| C3×D12 | 3 |
| D36 | 3 |