Order 756.
104 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C32 | D21 |
| commutator, hypocenter | C3×C7 | C32×C4 |
| Frattini | C2 | C32×D21 |
| Fitting, socle, prime radical | C2×C33×C7 | C2 |
| cosocle | C2×C3×C7 | C2×C32 |
| LCS | G ▷ C3×C7 | |
| UCS | C1 ◁ C2×C32 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C3×Dic21 | C3 | direct (N × H) |
| 4. C33×C7 | C4 | semidirect |
| 9. Dic21 | C32 | direct (N × H) |
| 12. C32×C7 | Dic3 | semidirect |
| 13. C32×C7 | C3×C4 | semidirect |
| 21. C33 | Dic7 | semidirect |
| 23. C3×C7 | C3×Dic3 | semidirect |
| 24. C3×C7 | C32×C4 | semidirect |
| 32. C32 | C3×Dic7 | semidirect |
| 33. C32 | Dic21 | direct (N × H) |
| 34. C7 | C32×Dic3 | semidirect |
| 40. C3 | C32×Dic7 | semidirect |
| 41. C3 | C3×Dic21 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C33×C7 | 2 |
| C3×Dic21 | 3 |
| C32×Dic7 | 3 |
| C32×Dic3 | 7 |