Order 1728.
828 conjugacy classes of subgroups; only the 420 normal subgroups are shown.
This group has 828 conjugacy classes of subgroups — too many to draw. Only its 420 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C42 | AGL(1,ℤ/9) |
| commutator, hypocenter | C9 | C3×C43 |
| Frattini, socle | C23×C3 | C22×C3×D3 |
| Fitting | C2×C42×3−1+2 | C2 |
| prime radical | C23×C32 | C22×D3 |
| cosocle | C23×C9 | C23×C3 |
| LCS | G ▷ C9 | |
| UCS | C1 ◁ C2×C42 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 4. C42×Dic9 | C3 | semidirect |
| 7. C42×3−1+2 | C4 | semidirect |
| 8. C4×3−1+2⋊C4 | C4 | direct (N × H) |
| 28. C42×C9 | C3×C4 | semidirect |
| 29. C4×Dic9 | C3×C4 | semidirect |
| 32. C4×3−1+2 | C42 | semidirect |
| 33. 3−1+2⋊C4 | C42 | direct (N × H) |
| 69. C4×C9 | C3×C42 | semidirect |
| 70. Dic9 | C3×C42 | semidirect |
| 73. 3−1+2 | C43 | semidirect |
| 91. C42 | 3−1+2⋊C4 | direct (N × H) |
| 102. C9 | C3×C43 | semidirect |
| 114. C4 | C4×3−1+2⋊C4 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C42×3−1+2 | 2 |
| C2×C4×3−1+2⋊C4 | 2 |
| C3×C42×Dic3 | 3 |
| C42×Dic9 | 3 |