Order 1728.
638 conjugacy classes of subgroups.
The subgroup lattice has 330 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 35. C2×C3⋊Dic9 | Q8 | semidirect |
| 41. C2×C3×Dic9 | Q8 | semidirect |
| 125. C2×Dic9 | Dic6 | semidirect |
| 187. C3×C9 | #395 | semidirect |
| 280. C9 | #4656 | semidirect |
| 322. C3 | #10588910 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×C9×Dic6 | 2 |
| C2×#88534 | 2 |
| C2×Dic9⋊Dic3 | 2 |
| C3×C9⋊#95 | 2 |
| #11720331 | 2 |
| #10591346 | 3 |
| #10588910 | 3 |