Order 1728.
618 conjugacy classes of subgroups.
The subgroup lattice has 372 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 15. C9×C4⋊Dic3 | C4 | semidirect |
| 45. #4928 | C9 | direct (N × H) |
| 77. C3×C4×C9 | C4⋊C4 | semidirect |
| 161. C4⋊Dic3 | C4×C9 | semidirect |
| 196. C4×C9 | Dic3⋊C4 | semidirect |
| 202. C3×C9 | #389 | semidirect |
| 305. C3×C4 | C9×C4⋊C4 | semidirect |
| 311. C9 | #4928 | direct (N × H) |
| 360. C4 | C9×Dic3⋊C4 | semidirect |
| 362. C3 | C9×#389 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C3×C42×C9 | 2 |
| C2×C9×C4⋊Dic3 | 2 |
| C2×C9×Dic3⋊C4 | 2 |
| C9×C3⋊#95 | 2 |
| C3×#4928 | 3 |
| C9×#389 | 3 |