Order 648.
58 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C3×Q8×C9 | C3 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | Q8⋊H(3,𝔽3) | C3 | 1 | 3 | yes | maximal, complemented |
| 3 | C2×#732 | — | 4 | 1 | no | maximal |
| 4 | C3×C4×C9 | — | 3 | 1 | no | — |
| 5 | #732 | — | 4 | 1 | no | Sylow |
| 6 | C32×Q8 | C32 | 1 | 1 | yes | characteristic |
| 7 | C3×SL(2,𝔽3) | — | 3 | 3 | no | — |
| 8 | Q8×C9 | — | 3 | 1 | no | — |
| 9 | C2×H(3,𝔽3) | — | 4 | 3 | no | — |
| 10 | C2×C3×C9 | A4 | 1 | 1 | yes | characteristic |
| 11 | C32×C4 | — | 3 | 1 | no | — |
| 12 | C4×C9 | — | 3 | 3 | no | — |
| 13 | H(3,𝔽3) | — | 4 | 3 | no | — |
| 14 | C3×C9 | SL(2,𝔽3) | 1 | 1 | yes | characteristic, complemented |
| 15 | C3×Q8 | — | 3 | 1 | no | — |
| 16 | C3×Q8 | H(3,𝔽3) | 1 | 1 | yes | characteristic |
| 17 | SL(2,𝔽3) | — | 9 | 3 | no | — |
| 18 | C2×C32 | — | 12 | 3 | no | — |
| 19 | C2×C32 | C3×A4 | 1 | 1 | yes | characteristic |
| 20 | C2×C9 | — | 3 | 1 | no | — |
| 21 | C3×C4 | — | 3 | 3 | no | — |
| 22 | C3×C4 | — | 3 | 1 | no | — |
| 23 | C32 | — | 12 | 3 | no | — |
| 24 | C32 | C3×SL(2,𝔽3) | 1 | 1 | yes | characteristic |
| 25 | C9 | — | 3 | 1 | no | — |
| 26 | Q8 | #732 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 27 | C2×C3 | — | 3 | 1 | no | — |
| 28 | C2×C3 | — | 36 | 3 | no | — |
| 29 | C2×C3 | C22⋊H(3,𝔽3) | 1 | 1 | yes | characteristic |
| 30 | C4 | — | 3 | 1 | no | — |
| 31 | C3 | — | 3 | 1 | no | — |
| 32 | C3 | — | 36 | 3 | no | — |
| 33 | C3 | Q8⋊H(3,𝔽3) | 1 | 1 | yes | characteristic |
| 34 | C2 | #66358 | 1 | 1 | yes | characteristic |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C3×Q8×C9 | C3 | semidirect |
| 2. Q8⋊H(3,𝔽3) | C3 | semidirect |
| 14. C3×C9 | SL(2,𝔽3) | semidirect |
| 26. Q8 | #732 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C3×Q8×C9 | 3 |
| Q8⋊H(3,𝔽3) | 3 |
| C2×#732 | 4 |