Order 640.
362 conjugacy classes of subgroups; only the 66 normal subgroups are shown.
This group has 362 conjugacy classes of subgroups — too many to draw. Only its 66 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #66258 | C2 | semidirect |
| 3. D5⋊#100 | C2 | semidirect |
| 4. #65769 | C2 | semidirect |
| 5. #64863 | C2 | semidirect |
| 12. C5×#127 | C4 | semidirect |
| 13. #4086 | C4 | semidirect |
| 16. #4082 | C4 | semidirect |
| 17. #4021 | C4 | semidirect |
| 26. C2×C5×D4 | C2×C4 | semidirect |
| 37. C2×Dic10 | C2×C4 | semidirect |
| 42. C4×AGL(1,𝔽5) | D4 | semidirect |
| 45. C42×C5 | C2×C4 | semidirect |
| 50. C4×Dic5 | C2×C4 | semidirect |
| 87. #127 | AGL(1,𝔽5) | semidirect |
| 128. C2×D4 | C2×AGL(1,𝔽5) | semidirect |
| 144. C42 | C2×AGL(1,𝔽5) | semidirect |
| 179. C5 | #1911 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #66258 | 2 |
| #66049 | 2 |
| D5⋊#100 | 2 |
| #65769 | 2 |
| #64863 | 2 |
| #1911 | 5 |