Finite Group DatabasebetaFinite Group Databasebeta| order | 9940 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5×C7 · Schur multiplier (H2) = C2 |
| direct product | C2×C7×D71⋊C5 |
| unambiguous semidirect product | (C2×C7×D71)⋊C5 |
| Fitting, socle | C2×C7×C71 ⋊ C2×C5 |
| derived, Sylow | C71 ⋊ C22×C5×C7 |
| Hall | C7×C71⋊C5 ⋊ C22 |
| Hall | C2×C7×D71 ⋊ C5 |
| Hall | C7×C71 ⋊ C22×C5 |
| Hall | C71⋊C5 ⋊ C22×C7 |
| Hall | C2×D71 ⋊ C5×C7 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C7 | D71⋊C5 |
| commutator, cosocle, hypocenter | C71 | C22×C5×C7 |
| Frattini | C1 | G |
| Fitting, socle | C2×C7×C71 | C2×C5 |
| LCS | G ▷ C71 | |
| UCS | C1 ◁ C2×C7 | |
40 conjugacy classes of subgroups.
238 conjugacy classes — view the full character table.
| maximal subgroup of | C2×ΓL(1,𝔽8)×D71⋊C5, D3×C7×D71⋊C5, C2×C3×C7×D71⋊C5, … |
| maximal normal subgroup of | C2×ΓL(1,𝔽8)×D71⋊C5, C2×C3×C7×D71⋊C5 |
| maximal quotient of | D3×C7×D71⋊C5, C2×C3×C7×D71⋊C5, C2×C7×C3⋊(D71⋊C5) |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(9940, 29);