Order 1728.
434 conjugacy classes of subgroups.
The subgroup lattice has 364 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 10. C4⋊(C3⋊Dic9) | C4 | semidirect |
| 12. C9×C4⋊Dic3 | C4 | semidirect |
| 15. C2×C3×C9⋊C8 | C4 | semidirect |
| 62. C2×C9⋊C8 | Dic3 | semidirect |
| 149. C4⋊Dic3 | Dic9 | semidirect |
| 194. C3×C9 | #340 | semidirect |
| 304. C9 | #4551 | semidirect |
| 354. C3 | #10588206 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C4⋊(C3⋊Dic9) | 2 |
| C2×C9×C4⋊Dic3 | 2 |
| C22×C3×C9⋊C8 | 2 |
| #10589164 | 3 |
| #10588206 | 3 |