Finite Group DatabasebetaFinite Group Databasebeta| order | 20740 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5×C17 · Schur multiplier (H2) = C2 |
| direct product | C22×C17×C61⋊C5 |
| unambiguous semidirect product | (C22×C61)⋊(C5×C17) |
| unambiguous semidirect product | (C22×C17×C61)⋊C5 |
| Fitting, socle, Hall | C22×C17×C61 ⋊ C5 |
| derived, Sylow | C61 ⋊ C22×C5×C17 |
| Hall | C17×C61 ⋊ C22×C5 |
| Hall | C22×C61 ⋊ C5×C17 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C22×C17 | C61⋊C5 |
| commutator, cosocle, hypocenter | C61 | C22×C5×C17 |
| Frattini | C1 | G |
| Fitting, socle | C22×C17×C61 | C5 |
| LCS | G ▷ C61 | |
| UCS | C1 ◁ C22×C17 | |
40 conjugacy classes of subgroups.
| transitive degree | μt(G) = 4148 |
1156 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20740, 24);