Finite Group DatabasebetaFinite Group DatabasebetaOrder 2187.
162 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C3×#6879 | C3 | 1 | 3 | yes | maximal, complemented |
| 2 | C9×C27⋊C3 | C3 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | #10624535 | C3 | 1 | 9 | yes | maximal, complemented |
| 4 | C3×#732 | — | 3 | 3 | no | — |
| 5 | C3×C27⋊C3 | — | 3 | 1 | no | — |
| 6 | C3×C92 | C32 | 1 | 1 | yes | characteristic |
| 7 | #6879 | — | 3 | 6 | no | — |
| 8 | #6879 | C32 | 1 | 9 | yes | complemented |
| 9 | #6864 | — | 3 | 2 | no | — |
| 10 | C9×C27 | C32 | 1 | 3 | yes | complemented |
| 11 | C3×H(3,𝔽3) | — | 9 | 3 | no | — |
| 12 | C32×C9 | — | 3 | 1 | no | — |
| 13 | C32×C9 | H(3,𝔽3) | 1 | 1 | yes | characteristic |
| 14 | #732 | — | 3 | 9 | no | — |
| 15 | #732 | — | 9 | 6 | no | — |
| 16 | C27⋊C3 | — | 3 | 9 | no | — |
| 17 | C3×C27 | — | 3 | 3 | no | — |
| 18 | C92 | — | 3 | 2 | no | — |
| 19 | C92 | H(3,𝔽3) | 1 | 2 | yes | — |
| 20 | C92 | C33 | 1 | 1 | yes | characteristic |
| 21 | C33 | — | 27 | 3 | no | — |
| 22 | C33 | #732 | 1 | 1 | yes | characteristic |
| 23 | H(3,𝔽3) | — | 9 | 9 | no | — |
| 24 | H(3,𝔽3) | — | 27 | 6 | no | — |
| 25 | C3×C9 | — | 3 | 3 | no | — |
| 26 | C3×C9 | — | 3 | 1 | no | — |
| 27 | C3×C9 | — | 3 | 2 | no | — |
| 28 | C3×C9 | — | 9 | 3 | no | — |
| 29 | C3×C9 | #732 | 1 | 2 | yes | — |
| 30 | C3×C9 | C3×H(3,𝔽3) | 1 | 1 | yes | characteristic |
| 31 | C27 | — | 3 | 9 | no | — |
| 32 | C32 | — | 9 | 1 | no | — |
| 33 | C32 | — | 27 | 9 | no | — |
| 34 | C32 | — | 81 | 9 | no | — |
| 35 | C32 | #6879 | 1 | 3 | yes | — |
| 36 | C32 | C3×#732 | 1 | 1 | yes | characteristic |
| 37 | C9 | — | 3 | 3 | no | — |
| 38 | C9 | — | 3 | 1 | no | — |
| 39 | C9 | — | 3 | 2 | no | — |
| 40 | C9 | — | 9 | 2 | no | — |
| 41 | C3 | — | 3 | 1 | no | — |
| 42 | C3 | — | 3 | 3 | no | — |
| 43 | C3 | — | 81 | 9 | no | — |
| 44 | C3 | C3×#6879 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, socle | C3 | C3×#6879 |
| commutator, Frattini, cosocle | C92 | C33 |
| LCS | G ▷ C92 ▷ C3×C9 ▷ C32 ▷ C3 ▷ C1 | |
| UCS | C1 ◁ C3 ◁ C33 ◁ C32×C9 ◁ C3×C92 ◁ G | |
| LECS | G ▷ C92 ▷ C3×C9 ▷ C32 ▷ C3 ▷ C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C3×#6879 | C3 | semidirect |
| 2. C9×C27⋊C3 | C3 | semidirect |
| 3. #10624535 | C3 | semidirect |
| 8. #6879 | C32 | semidirect |
| 10. C9×C27 | C32 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C3×#6879 | 3 |
| C9×C27⋊C3 | 3 |
| #10624535 | 3 |