Order 336.
76 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C2 | C22×AGL(1,𝔽7) |
| commutator, socle, cosocle | C2×C7 | C23×C3 |
| Fitting | C7×Q8 | C2×C3 |
| prime radical | C2×AGL(1,𝔽7) | C22 |
| hypercenter | Q8 | AGL(1,𝔽7) |
| hypocenter | C7 | C2×C3×Q8 |
| LCS | G ▷ C2×C7 ▷ C7 | |
| UCS | C1 ◁ C2 ◁ Q8 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. Q8×ΓL(1,𝔽8) | C2 | semidirect |
| 3. ΓL(1,𝔽8)⋊Q8 | C2 | semidirect |
| 4. Q8×D7 | C3 | semidirect |
| 8. C7×Q8 | C2×C3 | semidirect |
| 10. Dic14 | C2×C3 | semidirect |
| 13. AGL(1,𝔽7) | Q8 | direct (N × H) |
| 20. ΓL(1,𝔽8) | C2×Q8 | semidirect |
| 23. D7 | C3×Q8 | semidirect |
| 28. Q8 | AGL(1,𝔽7) | direct (N × H) |
| 30. C7 | C2×C3×Q8 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| Q8×ΓL(1,𝔽8) | 2 |
| C4×AGL(1,𝔽7) | 2 |
| ΓL(1,𝔽8)⋊Q8 | 2 |
| Q8×D7 | 3 |
| C2×C3×Q8 | 7 |