Order 320.
32 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | Dic40 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | D80 | C2 | 1 | 1 | yes | maximal, characteristic |
| 3 | C5×C32 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | Dic20 | — | 2 | 1 | no | — |
| 5 | D40 | — | 2 | 1 | no | — |
| 6 | C5×C16 | C22 | 1 | 1 | yes | characteristic |
| 7 | SD64 | — | 5 | 1 | no | maximal, Sylow |
| 8 | D20 | — | 4 | 1 | no | — |
| 9 | Dic10 | — | 4 | 1 | no | — |
| 10 | C5×C8 | D4 | 1 | 1 | yes | characteristic |
| 11 | Q32 | — | 5 | 1 | no | — |
| 12 | D16 | — | 5 | 1 | no | — |
| 13 | C32 | D5 | 1 | 1 | yes | characteristic, complemented |
| 14 | C2×D5 | — | 8 | 1 | no | — |
| 15 | C4×C5 | D8 | 1 | 1 | yes | characteristic |
| 16 | Dic5 | — | 8 | 1 | no | — |
| 17 | Q16 | — | 10 | 1 | no | — |
| 18 | D8 | — | 10 | 1 | no | — |
| 19 | C16 | C2×D5 | 1 | 1 | yes | characteristic |
| 20 | C2×C5 | D16 | 1 | 1 | yes | characteristic |
| 21 | D5 | — | 16 | 1 | no | — |
| 22 | Q8 | — | 20 | 1 | no | — |
| 23 | D4 | — | 20 | 1 | no | — |
| 24 | C8 | D20 | 1 | 1 | yes | characteristic |
| 25 | C5 | SD64 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 26 | C22 | — | 40 | 1 | no | — |
| 27 | C4 | — | 40 | 1 | no | — |
| 28 | C4 | D40 | 1 | 1 | yes | characteristic |
| 29 | C2 | — | 80 | 1 | no | — |
| 30 | C2 | D80 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center | C2 | D80 |
| commutator, cosocle | C5×C16 | C22 |
| Frattini | C16 | C2×D5 |
| Fitting | C5×C32 | C2 |
| socle | C2×C5 | D16 |
| prime radical | D80 | C2 |
| hypercenter | C32 | D5 |
| hypocenter | C5 | SD64 |
| LCS | G ▷ C5×C16 ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5 | |
| UCS | C1 ◁ C2 ◁ C4 ◁ C8 ◁ C16 ◁ C32 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. Dic40 | C2 | semidirect |
| 3. C5×C32 | C2 | semidirect |
| 13. C32 | D5 | semidirect |
| 25. C5 | SD64 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| Dic40 | 2 |
| D80 | 2 |
| C5×C32 | 2 |
| SD64 | 5 |