Order 32050.
20 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C5×C641⋊C5 | C2 | 1 | 1 | yes | maximal, characteristic, complemented, Hall |
| 2 | D3205 | C5 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | D641⋊C5 | — | 5 | 1 | no | maximal |
| 4 | C5×C641 | C2×C5 | 1 | 1 | yes | characteristic, complemented |
| 5 | C641⋊C5 | — | 2 | 2 | no | — |
| 6 | C641⋊C5 | D5 | 1 | 1 | yes | characteristic, complemented |
| 7 | D641 | — | 5 | 1 | no | Hall |
| 8 | C641 | C5×D5 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 9 | C5×D5 | — | 641 | 1 | no | maximal, Hall |
| 10 | C52 | — | 641 | 1 | no | Sylow |
| 11 | C2×C5 | — | 3205 | 1 | no | — |
| 12 | D5 | — | 641 | 1 | no | — |
| 13 | C5 | — | 1282 | 2 | no | — |
| 14 | C5 | — | 641 | 1 | no | — |
| 15 | C5 | D641⋊C5 | 1 | 1 | yes | characteristic, complemented |
| 16 | C2 | — | 3205 | 1 | no | Sylow |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C5×C641 | C2×C5 |
| LCS | G ▷ C5×C641 | |
| UCS | C1 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C5×C641⋊C5 | C2 | semidirect |
| 2. D3205 | C5 | semidirect |
| 4. C5×C641 | C2×C5 | semidirect |
| 6. C641⋊C5 | D5 | semidirect |
| 8. C641 | C5×D5 | semidirect |
| 15. C5 | D641⋊C5 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C5×C641⋊C5 | 2 |
| D3205 | 5 |
| D641⋊C5 | 5 |
| C5×D5 | 641 |