Finite Group DatabasebetaFinite Group Databasebeta| order | 21228 |
| automorphism | ? |
| homology | Abelianization (H1) = C3×C29×C61 · Schur multiplier (H2) = C2 |
| direct product | A4×C29×C61 |
| unambiguous semidirect product | C22⋊(C3×C29×C61) |
| unambiguous semidirect product | (C22×C29)⋊(C3×C61) |
| Fitting, socle, Hall | C22×C29×C61 ⋊ C3 |
| derived, Sylow | C22 ⋊ C3×C29×C61 |
| Hall | C22×C61 ⋊ C3×C29 |
| Hall | C22×C29 ⋊ C3×C61 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C29×C61 | A4 |
| commutator, cosocle, hypocenter | C22 | C3×C29×C61 |
| Frattini | C1 | G |
| Fitting, socle | C22×C29×C61 | C3 |
| LCS | G ▷ C22 | |
| UCS | C1 ◁ C29×C61 | |
20 conjugacy classes of subgroups.
| transitive degree | μt(G) = 7076 |
7076 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21228, 43);