Finite Group DatabasebetaFinite Group Databasebeta| order | 21021 |
| automorphism | ? |
| homology | Abelianization (H1) = C3×C7×C11×C13 · Schur multiplier (H2) = C1 |
| direct product | C7×C11×C13×ΓL(1,𝔽8) |
| unambiguous semidirect product | C7⋊(C3×C7×C11×C13) |
| unambiguous semidirect product | (C7×C11)⋊(C3×C7×C13) |
| Fitting, socle, Hall | C72×C11×C13 ⋊ C3 |
| derived | C7 ⋊ C3×C7×C11×C13 |
| Hall | C72×C13 ⋊ C3×C11 |
| Hall | C72×C11 ⋊ C3×C13 |
| Sylow | C72 ⋊ C3×C11×C13 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C7×C11×C13 | ΓL(1,𝔽8) |
| commutator, cosocle, hypocenter | C7 | C3×C7×C11×C13 |
| Frattini | C1 | G |
| Fitting, socle | C72×C11×C13 | C3 |
| LCS | G ▷ C7 | |
| UCS | C1 ◁ C7×C11×C13 | |
40 conjugacy classes of subgroups.
| transitive degree | μt(G) = 3003 |
5005 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21021, 8);