Order 1728.
406 conjugacy classes of subgroups.
The subgroup lattice has 294 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 9. C4⋊(C3⋊Dic9) | C4 | semidirect |
| 12. C3×C4×Dic9 | C4 | semidirect |
| 14. C9×#208 | C4 | semidirect |
| 59. C4×Dic9 | Dic3 | semidirect |
| 134. #208 | Dic9 | semidirect |
| 168. C3×C9 | #339 | semidirect |
| 252. C9 | #4523 | semidirect |
| 287. C3 | #10588235 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #11721815 | 2 |
| C2×C3×C4×Dic9 | 2 |
| C2×C9×#208 | 2 |
| #10589162 | 3 |
| #10588235 | 3 |