Order 672.
84 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C7 | C2×S4 |
| commutator, cosocle, hypocenter | SL(2,𝔽3) | C22×C7 |
| Frattini | C2 | C2×C7×S4 |
| Fitting | C7×#41 | D3 |
| hypercenter | C4×C7 | S4 |
| LCS | G ▷ SL(2,𝔽3) | |
| UCS | C1 ◁ C2×C7 ◁ C4×C7 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C7×#41⋊C3 | C2 | semidirect |
| 2. C7×GL(2,𝔽3) | C2 | semidirect |
| 5. C7×SL(2,𝔽3) | C22 | semidirect |
| 6. C7×#41 | D3 | semidirect |
| 11. #986 | C7 | direct (N × H) |
| 21. #41⋊C3 | C2×C7 | semidirect |
| 22. GL(2,𝔽3) | C2×C7 | semidirect |
| 32. SL(2,𝔽3) | C22×C7 | semidirect |
| 34. #41 | D3×C7 | semidirect |
| 51. C7 | #986 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C7×#41⋊C3 | 2 |
| C7×GL(2,𝔽3) | 2 |
| C7×AGL(1,ℤ/8) | 3 |
| C7×D12 | 4 |
| #986 | 7 |