Finite Group DatabasebetaFinite Group DatabasebetaOrder 144.
56 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C2×C22⋊C9 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | (C22⋊C9)⋊C2 | C2 | 1 | 2 | yes | maximal, direct product factor |
| 3 | C2×#67 | — | 3 | 1 | no | maximal |
| 4 | C2×D9 | — | 4 | 1 | no | maximal |
| 5 | C22⋊C9 | C22 | 1 | 1 | yes | characteristic, complemented |
| 6 | C23×C3 | D3 | 1 | 1 | yes | characteristic |
| 7 | C22×D3 | — | 3 | 1 | no | — |
| 8 | #67 | — | 3 | 2 | no | — |
| 9 | #67 | — | 3 | 2 | no | — |
| 10 | C2×Dic3 | — | 3 | 1 | no | — |
| 11 | C2×C9 | — | 4 | 1 | no | — |
| 12 | D9 | — | 4 | 2 | no | — |
| 13 | C2×D4 | — | 9 | 1 | no | Sylow |
| 14 | C22×C3 | — | 3 | 1 | no | — |
| 15 | C22×C3 | — | 3 | 1 | no | — |
| 16 | C22×C3 | C2×D3 | 1 | 1 | yes | characteristic |
| 17 | C2×D3 | — | 3 | 2 | no | — |
| 18 | C2×D3 | — | 6 | 1 | no | — |
| 19 | C2×D3 | — | 6 | 1 | no | — |
| 20 | Dic3 | — | 3 | 2 | no | — |
| 21 | C9 | — | 4 | 1 | no | Sylow |
| 22 | C23 | — | 9 | 1 | no | — |
| 23 | C23 | D9 | 1 | 1 | yes | characteristic, complemented |
| 24 | D4 | — | 9 | 2 | no | — |
| 25 | D4 | — | 9 | 2 | no | — |
| 26 | C2×C4 | — | 9 | 1 | no | — |
| 27 | C2×C3 | — | 3 | 1 | no | — |
| 28 | C2×C3 | — | 3 | 1 | no | — |
| 29 | C2×C3 | S4 | 1 | 1 | yes | characteristic |
| 30 | D3 | — | 6 | 2 | no | — |
| 31 | C22 | — | 3 | 1 | no | — |
| 32 | C22 | — | 3 | 1 | no | — |
| 33 | C22 | — | 9 | 2 | no | — |
| 34 | C22 | — | 18 | 1 | no | — |
| 35 | C22 | — | 18 | 1 | no | — |
| 36 | C22 | C2×D9 | 1 | 1 | yes | characteristic, complemented |
| 37 | C4 | — | 9 | 2 | no | — |
| 38 | C3 | C2×S4 | 1 | 1 | yes | characteristic |
| 39 | C2 | — | 3 | 1 | no | — |
| 40 | C2 | — | 3 | 1 | no | — |
| 41 | C2 | — | 18 | 2 | no | — |
| 42 | C2 | (C22⋊C9)⋊C2 | 1 | 1 | yes | characteristic, direct product factor |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2 | (C22⋊C9)⋊C2 |
| commutator, cosocle, hypocenter | C22⋊C9 | C22 |
| Frattini | C3 | C2×S4 |
| Fitting, socle | C23×C3 | D3 |
| LCS | G ▷ C22⋊C9 | |
| UCS | C1 ◁ C2 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×C22⋊C9 | C2 | semidirect |
| 2. (C22⋊C9)⋊C2 | C2 | direct (N × H) |
| 5. C22⋊C9 | C22 | semidirect |
| 23. C23 | D9 | semidirect |
| 36. C22 | C2×D9 | semidirect |
| 42. C2 | (C22⋊C9)⋊C2 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C22⋊C9 | 2 |
| (C22⋊C9)⋊C2 | 2 |
| C2×#67 | 3 |
| C2×D9 | 4 |