Finite Group DatabasebetaFinite Group Databasebeta| order | 8020 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5 · Schur multiplier (H2) = C2 |
| direct product | C2×D401⋊C5 |
| unambiguous semidirect product | D401⋊(C2×C5) |
| unambiguous semidirect product | (C2×D401)⋊C5 |
| unambiguous semidirect product | (C401⋊C5)⋊C22 |
| unambiguous semidirect product | (C2×C401⋊C5)⋊C2 |
| Fitting, socle | C2×C401 ⋊ C2×C5 |
| derived, Sylow | C401 ⋊ C22×C5 |
| Hall | C401⋊C5 ⋊ C22 |
| Hall | C2×D401 ⋊ C5 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2 | D401⋊C5 |
| commutator, hypocenter | C401 | C22×C5 |
| Frattini | C1 | G |
| Fitting, socle | C2×C401 | C2×C5 |
| LCS | G ▷ C401 | |
| UCS | C1 ◁ C2 | |
20 conjugacy classes of subgroups.
100 conjugacy classes — view the full character table.
| maximal subgroup of | D3×D401⋊C5, C2×C3×D401⋊C5, C2×C3⋊(D401⋊C5) |
| maximal normal subgroup of | C2×C3×D401⋊C5 |
| maximal quotient of | D3×D401⋊C5, C2×C3×D401⋊C5, C2×C3⋊(D401⋊C5) |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(8020, 9);