Order 1728.
358 conjugacy classes of subgroups.
The subgroup lattice has 270 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 29. C3×Q8×C9 | Q8 | semidirect |
| 39. #5020 | C9 | direct (N × H) |
| 96. Q8×C9 | Dic6 | semidirect |
| 164. C3×C9 | #475 | semidirect |
| 170. C3×Q8 | Q8×C9 | semidirect |
| 235. C9 | #5020 | direct (N × H) |
| 238. Q8 | C9×Dic6 | semidirect |
| 264. C3 | C9×#475 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C3×C4×Q8×C9 | 2 |
| C9×#869 | 2 |
| C9×#835 | 2 |
| C9×#808 | 2 |
| C9×C4⋊(C3⋊C8) | 2 |
| C3×#5020 | 3 |
| C9×#475 | 3 |