Order 336.
44 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center | C2 | (C22⋊D7)⋊C3 |
| commutator, cosocle | C4×C7 | C22×C3 |
| Frattini | C4 | C2×AGL(1,𝔽7) |
| Fitting | C7×D4 | C2×C3 |
| socle | C2×C7 | C3×D4 |
| hypercenter | D4 | AGL(1,𝔽7) |
| hypocenter | C7 | C3×D8 |
| LCS | G ▷ C4×C7 ▷ C2×C7 ▷ C7 | |
| UCS | C1 ◁ C2 ◁ C4 ◁ D4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. D4×ΓL(1,𝔽8) | C2 | semidirect |
| 2. C4⋊AGL(1,𝔽7) | C2 | semidirect |
| 3. ΓL(1,𝔽8)⋊C8 | C2 | semidirect |
| 4. #1141 | C3 | semidirect |
| 8. C7×D4 | C2×C3 | semidirect |
| 9. D28 | C2×C3 | semidirect |
| 10. C7⋊C8 | C2×C3 | semidirect |
| 21. ΓL(1,𝔽8) | D8 | semidirect |
| 30. D4 | AGL(1,𝔽7) | semidirect |
| 32. C7 | C3×D8 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D4×ΓL(1,𝔽8) | 2 |
| C4⋊AGL(1,𝔽7) | 2 |
| ΓL(1,𝔽8)⋊C8 | 2 |
| #1141 | 3 |
| C3×D8 | 7 |