Finite Group DatabasebetaFinite Group DatabasebetaOrder 162.
42 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | #737 | C2 | 1 | 1 | yes | maximal, characteristic, complemented, Sylow |
| 2 | #272 | C3 | 1 | 1 | yes | maximal, characteristic |
| 3 | D3×C9 | — | 3 | 4 | no | maximal |
| 4 | 3−1+2 | — | 2 | 4 | no | — |
| 5 | H(3,𝔽3) | C2×C3 | 1 | 1 | yes | characteristic |
| 6 | C3×C9 | D3 | 1 | 4 | yes | complemented |
| 7 | C3×D3 | — | 3 | 4 | no | — |
| 8 | C2×C9 | — | 9 | 1 | no | — |
| 9 | C32 | C3×D3 | 1 | 4 | yes | — |
| 10 | C9 | — | 2 | 4 | no | — |
| 11 | C9 | C3⋊D3 | 1 | 1 | yes | characteristic |
| 12 | C2×C3 | — | 9 | 1 | no | — |
| 13 | D3 | — | 3 | 4 | no | — |
| 14 | C3 | — | 3 | 4 | no | — |
| 15 | C3 | C3×C3⋊D3 | 1 | 1 | yes | characteristic |
| 16 | C2 | — | 9 | 1 | no | Sylow |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C9 | C3⋊D3 |
| commutator, cosocle, hypocenter | H(3,𝔽3) | C2×C3 |
| Frattini, socle | C3 | C3×C3⋊D3 |
| Fitting | #737 | C2 |
| prime radical | #272 | C3 |
| LCS | G ▷ H(3,𝔽3) | |
| UCS | C1 ◁ C9 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #737 | C2 | semidirect |
| 6. C3×C9 | D3 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #737 | 2 |
| #272 | 3 |
| D3×C9 | 3 |