Order 420.
40 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C22×C5 | ΓL(1,𝔽8) |
| commutator, cosocle, hypocenter | C7 | C22×C3×C5 |
| Frattini | C1 | G |
| Fitting, socle | C22×C5×C7 | C3 |
| LCS | G ▷ C7 | |
| UCS | C1 ◁ C22×C5 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×C5×ΓL(1,𝔽8) | C2 | direct (N × H) |
| 2. C22×C5×C7 | C3 | semidirect |
| 3. C5×ΓL(1,𝔽8) | C22 | direct (N × H) |
| 4. C22×ΓL(1,𝔽8) | C5 | direct (N × H) |
| 5. C2×C5×C7 | C2×C3 | semidirect |
| 7. C2×ΓL(1,𝔽8) | C2×C5 | direct (N × H) |
| 8. C5×C7 | C22×C3 | semidirect |
| 10. C22×C7 | C3×C5 | semidirect |
| 11. ΓL(1,𝔽8) | C22×C5 | direct (N × H) |
| 12. C22×C5 | ΓL(1,𝔽8) | direct (N × H) |
| 14. C2×C7 | C2×C3×C5 | semidirect |
| 16. C2×C5 | C2×ΓL(1,𝔽8) | direct (N × H) |
| 17. C7 | C22×C3×C5 | semidirect |
| 19. C5 | C22×ΓL(1,𝔽8) | direct (N × H) |
| 20. C22 | C5×ΓL(1,𝔽8) | direct (N × H) |
| 22. C2 | C2×C5×ΓL(1,𝔽8) | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C5×ΓL(1,𝔽8) | 2 |
| C22×C5×C7 | 3 |
| C22×ΓL(1,𝔽8) | 5 |
| C22×C3×C5 | 7 |