Finite Group DatabasebetaFinite Group DatabasebetaOrder 640.
760 conjugacy classes of subgroups; only the 185 normal subgroups are shown.
This group has 760 conjugacy classes of subgroups — too many to draw. Only its 185 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C23 | C23×D5 |
| commutator, socle, cosocle | C23×C5 | C24 |
| Fitting | C4×C5×C4⋊C4 | C2 |
| hypercenter | C4×C4⋊C4 | D5 |
| hypocenter | C5 | #2540 |
| LCS | G ▷ C23×C5 ▷ C5 | |
| UCS | C1 ◁ C23 ◁ C4×C4⋊C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×#4043 | C2 | semidirect |
| 2. C2×#4041 | C2 | semidirect |
| 3. C2×#4021 | C2 | semidirect |
| 4. C2×C4×D20 | C2 | semidirect |
| 5. C4×C5×C4⋊C4 | C2 | semidirect |
| 6. #65228 | C2 | semidirect |
| 7. #64966 | C2 | semidirect |
| 8. #64960 | C2 | semidirect |
| 50. C5×C4⋊C4 | D4 | semidirect |
| 52. C42×C5 | D4 | semidirect |
| 67. C4×C4⋊C4 | D5 | semidirect |
| 166. C4⋊C4 | D20 | semidirect |
| 173. C42 | D20 | semidirect |
| 214. C5 | #2540 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#4043 | 2 |
| C2×#4041 | 2 |
| C2×#4021 | 2 |
| C2×C4×D20 | 2 |
| C4×C5×C4⋊C4 | 2 |
| #65228 | 2 |
| #64966 | 2 |
| #64960 | 2 |
| #2540 | 5 |