Order 1728.
658 conjugacy classes of subgroups.
The subgroup lattice has 308 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 13. C4×C9×Dic3 | C4 | semidirect |
| 14. Dic3⋊Dic9 | C4 | semidirect |
| 68. C9×Dic3 | C42 | semidirect |
| 69. C9×Dic3 | C4⋊C4 | semidirect |
| 139. C4×Dic3 | Dic9 | semidirect |
| 172. C3×C9 | C4×C4⋊C4 | semidirect |
| 255. Dic3 | C4×Dic9 | semidirect |
| 256. Dic3 | C4⋊Dic9 | semidirect |
| 259. C9 | #4649 | semidirect |
| 300. C3 | C4×C4⋊Dic9 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C4×C9×Dic3 | 2 |
| C2×Dic3⋊Dic9 | 2 |
| C2×Dic3×Dic9 | 2 |
| #11720572 | 2 |
| C3×C9⋊#95 | 2 |
| #10591242 | 3 |
| C4×C4⋊Dic9 | 3 |