Order 400.
60 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center | C2×C5 | C22⋊D5 |
| commutator, cosocle | C4×C5 | C22×C5 |
| Frattini | C4 | C2×C5×D5 |
| Fitting | C52×D4 | C2 |
| socle | C2×C52 | D4 |
| hypercenter | C5×D4 | D5 |
| hypocenter | C5 | C5×D8 |
| LCS | G ▷ C4×C5 ▷ C2×C5 ▷ C5 | |
| UCS | C1 ◁ C2×C5 ◁ C4×C5 ◁ C5×D4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C52×D4 | C2 | semidirect |
| 2. C5×D20 | C2 | semidirect |
| 3. C5×#168 | C2 | semidirect |
| 8. #686 | C5 | direct (N × H) |
| 14. C5×D4 | D5 | semidirect |
| 15. C5×D4 | C2×C5 | semidirect |
| 16. D20 | C2×C5 | semidirect |
| 18. #168 | C2×C5 | semidirect |
| 19. C52 | D8 | semidirect |
| 38. D4 | C5×D5 | semidirect |
| 41. C5 | #686 | direct (N × H) |
| 42. C5 | C5×D8 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C52×D4 | 2 |
| C5×D20 | 2 |
| C5×#168 | 2 |
| C5×D8 | 5 |
| #686 | 5 |