Order 17514.
36 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C3×C7×C139 | C2×C3 |
| LCS | G ▷ C3×C7×C139 | |
| UCS | C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C3×C7×C139⋊C3 | C2 | semidirect |
| 3. D21×C139 | C3 | semidirect |
| 4. C3×C7×C139 | C2×C3 | semidirect |
| 6. C7×C139⋊C3 | D3 | semidirect |
| 9. C3×C139⋊C3 | D7 | semidirect |
| 10. C7×C139 | C3×D3 | semidirect |
| 13. C3×C139 | C3×D7 | semidirect |
| 15. C139⋊C3 | D21 | direct (N × H) |
| 17. C139 | C3×D21 | semidirect |
| 20. D21 | C139⋊C3 | direct (N × H) |
| 24. C3×C7 | C2×C139⋊C3 | semidirect |
| 28. C7 | D3×C139⋊C3 | semidirect |
| 33. C3 | D7×C139⋊C3 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C3×C7×C139⋊C3 | 2 |
| D7×C139⋊C3 | 3 |
| D21×C139 | 3 |
| D3×C139⋊C3 | 7 |
| C3×D21 | 139 |