Order 1728.
622 conjugacy classes of subgroups.
The subgroup lattice has 320 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 33. C2×C3⋊Dic9 | Q8 | semidirect |
| 38. C2×C9×Dic3 | Q8 | semidirect |
| 180. C3×C9 | #395 | semidirect |
| 215. C2×Dic3 | Dic18 | semidirect |
| 270. C9 | #5230 | semidirect |
| 312. C3 | #10588659 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×C3×Dic18 | 2 |
| C2×C9×Dic3⋊C4 | 2 |
| C2×#88442 | 2 |
| #11720572 | 2 |
| #11720331 | 2 |
| #10591344 | 3 |
| #10588659 | 3 |