Order 336.
40 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C3×C7×Q8 | C2 | semidirect |
| 3. C7×C3⋊C8 | C2 | semidirect |
| 8. C7×Q8 | D3 | semidirect |
| 11. #215 | C7 | direct (N × H) |
| 17. C3×Q8 | C2×C7 | semidirect |
| 19. C3⋊C8 | C2×C7 | semidirect |
| 20. C3×C7 | SD16 | semidirect |
| 27. Q8 | D3×C7 | semidirect |
| 30. C7 | #215 | direct (N × H) |
| 36. C3 | C7×SD16 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C3×C7×Q8 | 2 |
| C7×D12 | 2 |
| C7×C3⋊C8 | 2 |
| C7×SD16 | 3 |
| #215 | 7 |