Order 336.
40 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C4 | D3×D7 |
| commutator, socle | C2×C3×C7 | C2×C4 |
| Fitting, cosocle | C3×C4×C7 | C22 |
| prime radical | C2×D3×C7 | C4 |
| hypocenter | C3×C7 | M16 |
| LCS | G ▷ C2×C3×C7 ▷ C3×C7 | |
| UCS | C1 ◁ C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C3⋊(C7⋊C8) | C2 | semidirect |
| 3. C3×C7⋊C8 | C2 | semidirect |
| 10. C7⋊C8 | D3 | semidirect |
| 20. C3×C7 | M16 | semidirect |
| 30. C7 | ΓL(1,𝔽25) | semidirect |
| 36. C3 | #1136 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C4×D3×C7 | 2 |
| C3⋊(C7⋊C8) | 2 |
| C3×C7⋊C8 | 2 |
| #1136 | 3 |
| ΓL(1,𝔽25) | 7 |