Order 1728.
882 conjugacy classes of subgroups.
The subgroup lattice has 258 nodes — too large to display as a diagram.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C22×C4 | D3×D9 |
| commutator, hypocenter | C3×C9 | C43 |
| Frattini | C23×C3 | C2×D32 |
| Fitting | C22×C3×C4×C9 | C22 |
| socle, prime radical | C23×C32 | C22×D3 |
| cosocle | C23×C3×C9 | C23 |
| LCS | G ▷ C3×C9 | |
| UCS | C1 ◁ C22×C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 11. C4×C3⋊Dic9 | C4 | semidirect |
| 12. C4×C9×Dic3 | C4 | semidirect |
| 13. C3×C4×Dic9 | C4 | semidirect |
| 14. Dic3×Dic9 | C4 | direct (N × H) |
| 54. C4×Dic9 | Dic3 | direct (N × H) |
| 59. C3×C4×C9 | C42 | semidirect |
| 60. C3⋊Dic9 | C42 | semidirect |
| 61. C9×Dic3 | C42 | semidirect |
| 62. C3×Dic9 | C42 | semidirect |
| 121. C4×Dic3 | Dic9 | direct (N × H) |
| 140. C4×C9 | C4×Dic3 | semidirect |
| 143. Dic9 | C4×Dic3 | direct (N × H) |
| 148. C3×C9 | C43 | semidirect |
| 210. C3×C4 | C4×Dic9 | semidirect |
| 216. Dic3 | C4×Dic9 | direct (N × H) |
| 219. C9 | C42×Dic3 | semidirect |
| 249. C4 | Dic3×Dic9 | direct (N × H) |
| 251. C3 | C42×Dic9 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C4×C3⋊Dic9 | 2 |
| C2×C4×C9×Dic3 | 2 |
| C2×C3×C4×Dic9 | 2 |
| C2×Dic3×Dic9 | 2 |
| C4×Dic32 | 3 |
| C42×Dic9 | 3 |