Order 648.
110 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | Q8×H(3,𝔽3) | C3 | 1 | 1 | yes | maximal, characteristic |
| 2 | #6204 | C3 | 1 | 8 | yes | maximal, complemented |
| 3 | C3×Q8⋊C9 | C3 | 1 | 4 | yes | maximal, complemented |
| 4 | C2×#737 | — | 4 | 1 | no | maximal |
| 5 | C4×H(3,𝔽3) | — | 3 | 1 | no | — |
| 6 | #737 | — | 4 | 1 | no | Sylow |
| 7 | C32×Q8 | C32 | 1 | 4 | yes | — |
| 8 | Q8⋊C9 | C32 | 1 | 1 | yes | characteristic |
| 9 | Q8⋊C9 | C32 | 1 | 8 | yes | — |
| 10 | C2×3−1+2 | — | 4 | 8 | no | — |
| 11 | C2×H(3,𝔽3) | A4 | 1 | 1 | yes | characteristic |
| 12 | C2×C3×C9 | — | 4 | 4 | no | — |
| 13 | C32×C4 | — | 3 | 4 | no | — |
| 14 | 3−1+2 | — | 4 | 8 | no | — |
| 15 | H(3,𝔽3) | SL(2,𝔽3) | 1 | 1 | yes | characteristic |
| 16 | C3×C9 | — | 4 | 4 | no | — |
| 17 | C3×Q8 | — | 3 | 4 | no | — |
| 18 | C3×Q8 | C33 | 1 | 1 | yes | characteristic |
| 19 | C2×C32 | C3×A4 | 1 | 4 | yes | — |
| 20 | C2×C9 | — | 4 | 1 | no | — |
| 21 | C2×C9 | — | 4 | 8 | no | — |
| 22 | C3×C4 | — | 3 | 1 | no | — |
| 23 | C3×C4 | — | 9 | 4 | no | — |
| 24 | C32 | C3×SL(2,𝔽3) | 1 | 4 | yes | — |
| 25 | C9 | — | 4 | 1 | no | — |
| 26 | C9 | — | 4 | 8 | no | — |
| 27 | Q8 | #737 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 28 | C2×C3 | — | 3 | 4 | no | — |
| 29 | C2×C3 | C32×A4 | 1 | 1 | yes | characteristic |
| 30 | C4 | — | 3 | 1 | no | — |
| 31 | C3 | — | 3 | 4 | no | — |
| 32 | C3 | C32×SL(2,𝔽3) | 1 | 1 | yes | characteristic |
| 33 | C2 | #66437 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, socle | C2×C3 | C32×A4 |
| commutator, cosocle | C3×Q8 | C33 |
| Fitting | Q8×H(3,𝔽3) | C3 |
| prime radical, hypercenter | C2×H(3,𝔽3) | A4 |
| hypocenter | Q8 | #737 |
| LCS | G ▷ C3×Q8 ▷ Q8 | |
| UCS | C1 ◁ C2×C3 ◁ C2×H(3,𝔽3) | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #6204 | C3 | semidirect |
| 3. C3×Q8⋊C9 | C3 | semidirect |
| 27. Q8 | #737 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| Q8×H(3,𝔽3) | 3 |
| #6204 | 3 |
| C3×Q8⋊C9 | 3 |
| C2×#737 | 4 |