Order 336.
60 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C3×C4 | D7 |
| commutator, hypocenter | C7 | C3×C42 |
| Frattini | C22 | C2×C3×D7 |
| Fitting | C2×C3×C4×C7 | C2 |
| socle, prime radical | C22×C3×C7 | C22 |
| cosocle | C22×C7 | C22×C3 |
| LCS | G ▷ C7 | |
| UCS | C1 ◁ C2×C3×C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. C4×Dic7 | C3 | direct (N × H) |
| 5. C3×C4×C7 | C4 | semidirect |
| 6. C3×Dic7 | C4 | direct (N × H) |
| 13. C4×C7 | C3×C4 | semidirect |
| 14. Dic7 | C3×C4 | direct (N × H) |
| 17. C3×C7 | C42 | semidirect |
| 23. C3×C4 | Dic7 | direct (N × H) |
| 26. C7 | C3×C42 | semidirect |
| 31. C4 | C3×Dic7 | direct (N × H) |
| 32. C3 | C4×Dic7 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C3×C4×C7 | 2 |
| C2×C3×Dic7 | 2 |
| C4×Dic7 | 3 |
| C3×C42 | 7 |