Order 672.
184 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C23 | D3×D7 |
| commutator | C2×C3×C7 | C22×C4 |
| Frattini | C22 | C2×D3×D7 |
| Fitting, socle, prime radical | C23×C3×C7 | C22 |
| cosocle | C22×C3×C7 | C23 |
| hypocenter | C3×C7 | C2×C4⋊C4 |
| LCS | G ▷ C2×C3×C7 ▷ C3×C7 | |
| UCS | C1 ◁ C23 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 4. Dic7⋊Dic3 | C2 | direct (N × H) |
| 11. C2×C3×Dic7 | C4 | semidirect |
| 23. C3×Dic7 | C2×C4 | semidirect |
| 30. C2×Dic7 | Dic3 | semidirect |
| 36. C2×C3×C7 | C4⋊C4 | semidirect |
| 47. Dic7 | C2×Dic3 | semidirect |
| 55. C3×C7 | C2×C4⋊C4 | semidirect |
| 60. C2×C7 | C4⋊Dic3 | semidirect |
| 78. C7 | C2×C4⋊Dic3 | semidirect |
| 79. C2×C3 | Dic7⋊C4 | semidirect |
| 90. C3 | C2×Dic7⋊C4 | semidirect |
| 91. C2 | Dic7⋊Dic3 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×Dic21 | 2 |
| C22×C7×Dic3 | 2 |
| C22×C3×Dic7 | 2 |
| Dic7⋊Dic3 | 2 |
| C2×Dic7⋊C4 | 3 |
| C2×C4⋊Dic3 | 7 |