Order 864.
94 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 4. AGL(1,𝔽9)⋊C4 | C3 | direct (N × H) |
| 7. C3×AGL(1,𝔽9) | C4 | semidirect |
| 20. AGL(1,𝔽9) | C3×C4 | semidirect |
| 39. C33 | #106 | semidirect |
| 66. C32 | C3×#106 | semidirect |
| 85. C3 | AGL(1,𝔽9)⋊C4 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C3×AGL(1,𝔽9) | 2 |
| C3×#3777 | 2 |
| C3×#3773 | 2 |
| AGL(1,𝔽9)⋊C4 | 3 |
| C3×#106 | 9 |