Order 1728.
978 conjugacy classes of subgroups.
The subgroup lattice has 312 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 6. #11720971 | C2 | direct (N × H) |
| 34. C2×C3×C4×C9 | Q8 | semidirect |
| 37. C2×C3⋊Dic9 | Q8 | semidirect |
| 77. C3×C4×C9 | C2×Q8 | semidirect |
| 79. C3⋊Dic9 | C2×Q8 | semidirect |
| 113. C2×C4×C9 | Dic6 | semidirect |
| 127. C2×C3×C9 | C4⋊Q8 | semidirect |
| 176. C4×C9 | C2×Dic6 | semidirect |
| 188. C3×C9 | C2×C4⋊Q8 | semidirect |
| 198. C2×C3×C4 | Dic18 | semidirect |
| 228. C2×C9 | #888 | semidirect |
| 258. C3×C4 | C2×Dic18 | semidirect |
| 270. C9 | C2×#888 | semidirect |
| 281. C2×C4 | #6189 | semidirect |
| 287. C2×C3 | #63450 | semidirect |
| 303. C4 | C2×#6189 | semidirect |
| 305. C3 | C2×#63450 | semidirect |
| 307. C2 | #11720971 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×#6189 | 2 |
| C2×C4×C3⋊Dic9 | 2 |
| C2×C9×C4⋊Dic3 | 2 |
| C2×C3×C4⋊Dic9 | 2 |
| C2×#88442 | 2 |
| #11720971 | 2 |
| C2×#63919 | 3 |
| C2×#63450 | 3 |