Order 729.
598 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, socle | C32 | C3×H(3,𝔽3) |
| commutator, Frattini, cosocle | C32 | C34 |
| LCS | G ▷ C32 ▷ C3 ▷ C1 | |
| UCS | C1 ◁ C32 ◁ C34 ◁ G | |
| LECS | G ▷ C32 ▷ C3 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C32×3−1+2 | C3 | semidirect |
| 2. C32×H(3,𝔽3) | C3 | semidirect |
| 3. C32×H(3,𝔽3) | C3 | semidirect |
| 4. #6909 | C3 | direct (N × H) |
| 5. C3×AΣL(1,𝔽27) | C3 | semidirect |
| 8. C34 | C32 | semidirect |
| 12. C3×3−1+2 | C32 | semidirect |
| 13. C3×3−1+2 | C32 | semidirect |
| 20. C3×H(3,𝔽3) | C32 | semidirect |
| 21. C3×H(3,𝔽3) | C32 | semidirect |
| 23. AΣL(1,𝔽27) | C32 | semidirect |
| 36. C33 | C33 | semidirect |
| 40. 3−1+2 | C33 | semidirect |
| 72. C3 | #6909 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C32×3−1+2 | 3 |
| C32×H(3,𝔽3) | 3 |
| #6909 | 3 |
| C3×AΣL(1,𝔽27) | 3 |