Order 1728.
642 conjugacy classes of subgroups.
The subgroup lattice has 192 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 9. C3×C42×C9 | C4 | semidirect |
| 10. C4×C9×Dic3 | C4 | semidirect |
| 26. #4932 | C9 | direct (N × H) |
| 39. C42×C9 | Dic3 | semidirect |
| 86. C3×C42 | C4×C9 | semidirect |
| 88. C4×Dic3 | C4×C9 | semidirect |
| 109. C3×C9 | #376 | semidirect |
| 142. C42 | C9×Dic3 | semidirect |
| 162. C9 | #4932 | direct (N × H) |
| 186. C3 | C9×#376 | 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×C4×C9×Dic3 | 2 |
| C9×C3⋊#95 | 2 |
| C3×#4932 | 3 |
| C9×#376 | 3 |