Finite Group DatabasebetaFinite Group DatabasebetaOrder 20050.
32 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C5×C401⋊C5 | C2 | 1 | 1 | yes | maximal, characteristic, direct product factor, Hall |
| 2 | C2×C5×C401 | C5 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | C2×C401⋊C5 | C5 | 1 | 5 | yes | maximal, direct product factor |
| 4 | C5×C401 | C2×C5 | 1 | 1 | yes | characteristic, complemented |
| 5 | C401⋊C5 | C2×C5 | 1 | 5 | yes | direct product factor |
| 6 | C2×C401 | C52 | 1 | 1 | yes | characteristic, complemented, Hall |
| 7 | C401 | C2×C52 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 8 | C2×C52 | — | 401 | 1 | no | maximal, Hall |
| 9 | C52 | — | 401 | 1 | no | Sylow |
| 10 | C2×C5 | — | 401 | 5 | no | — |
| 11 | C2×C5 | C401⋊C5 | 1 | 1 | yes | characteristic, direct product factor |
| 12 | C5 | — | 401 | 5 | no | — |
| 13 | C5 | C2×C401⋊C5 | 1 | 1 | yes | characteristic, direct product factor |
| 14 | C2 | C5×C401⋊C5 | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C5 | C401⋊C5 |
| commutator, cosocle, hypocenter | C401 | C2×C52 |
| Frattini | C1 | G |
| Fitting, socle | C2×C5×C401 | C5 |
| LCS | G ▷ C401 | |
| UCS | C1 ◁ C2×C5 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C5×C401⋊C5 | C2 | direct (N × H) |
| 2. C2×C5×C401 | C5 | semidirect |
| 3. C2×C401⋊C5 | C5 | direct (N × H) |
| 4. C5×C401 | C2×C5 | semidirect |
| 5. C401⋊C5 | C2×C5 | direct (N × H) |
| 6. C2×C401 | C52 | semidirect |
| 7. C401 | C2×C52 | semidirect |
| 11. C2×C5 | C401⋊C5 | direct (N × H) |
| 13. C5 | C2×C401⋊C5 | direct (N × H) |
| 14. C2 | C5×C401⋊C5 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C5×C401⋊C5 | 2 |
| C2×C5×C401 | 5 |
| C2×C401⋊C5 | 5 |
| C2×C52 | 401 |