Order 33777.
32 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C27×C139⋊C3 | C3 | 1 | 1 | yes | maximal, characteristic |
| 2 | C139⋊C81 | C3 | 1 | 2 | yes | maximal, complemented |
| 3 | C81×C139 | C3 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | C9×C139⋊C3 | C9 | 1 | 1 | yes | characteristic |
| 5 | C139⋊C27 | C9 | 1 | 2 | yes | — |
| 6 | C27×C139 | C32 | 1 | 1 | yes | characteristic |
| 7 | C3×C139⋊C3 | C27 | 1 | 1 | yes | characteristic |
| 8 | C9×C139 | C3×C9 | 1 | 1 | yes | characteristic |
| 9 | C139⋊C9 | C27 | 1 | 2 | yes | — |
| 10 | C3×C139 | C3×C27 | 1 | 1 | yes | characteristic |
| 11 | C139⋊C3 | — | 3 | 1 | no | — |
| 12 | C81⋊C3 | — | 139 | 1 | no | maximal, Sylow |
| 13 | C139 | C81⋊C3 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 14 | C3×C27 | — | 139 | 1 | no | — |
| 15 | C81 | — | 139 | 2 | no | — |
| 16 | C81 | C139⋊C3 | 1 | 1 | yes | characteristic, complemented |
| 17 | C3×C9 | — | 139 | 1 | no | — |
| 18 | C27 | — | 139 | 2 | no | — |
| 19 | C27 | C3×C139⋊C3 | 1 | 1 | yes | characteristic |
| 20 | C32 | — | 139 | 1 | no | — |
| 21 | C9 | — | 139 | 2 | no | — |
| 22 | C9 | C9×C139⋊C3 | 1 | 1 | yes | characteristic |
| 23 | C3 | — | 417 | 1 | no | — |
| 24 | C3 | C27×C139⋊C3 | 1 | 1 | yes | characteristic |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C139⋊C81 | C3 | semidirect |
| 3. C81×C139 | C3 | semidirect |
| 13. C139 | C81⋊C3 | semidirect |
| 16. C81 | C139⋊C3 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C27×C139⋊C3 | 3 |
| C139⋊C81 | 3 |
| C81×C139 | 3 |
| C81⋊C3 | 139 |