Order 1728.
346 conjugacy classes of subgroups.
The subgroup lattice has 282 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 11. C9×#208 | C4 | semidirect |
| 15. C2×C3×C9⋊C8 | C4 | semidirect |
| 58. C2×C9⋊C8 | Dic3 | semidirect |
| 129. #208 | Dic9 | semidirect |
| 162. C3×C9 | #344 | semidirect |
| 242. C9 | #4556 | semidirect |
| 275. C3 | #10588232 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #11721815 | 2 |
| C2×C9×#208 | 2 |
| C2×C3×#3667 | 2 |
| #10589171 | 3 |
| #10588232 | 3 |