Finite Group DatabasebetaFinite Group Databasebeta| order | 20740 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C61 · Schur multiplier (H2) = C2 |
| direct product | D5×D17×C61 |
| unambiguous semidirect product | (D5×C17)⋊(C2×C61) |
| unambiguous semidirect product | (C5×D17)⋊(C2×C61) |
| unambiguous semidirect product | D85⋊(C2×C61) |
| Fitting, socle, Hall | C5×C17×C61 ⋊ C22 |
| derived, Hall | C5×C17 ⋊ C22×C61 |
| Hall | C17×C61 ⋊ C2×D5 |
| Hall | C5×C61 ⋊ C2×D17 |
| Sylow | C17 ⋊ C2×D5×C61 |
| Sylow | C5 ⋊ C2×D17×C61 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C61 | D5×D17 |
| commutator, cosocle, hypocenter | C5×C17 | C22×C61 |
| Frattini | C1 | G |
| Fitting, socle | C5×C17×C61 | C22 |
| LCS | G ▷ C5×C17 | |
| UCS | C1 ◁ C61 | |
40 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5185 |
2440 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20740, 56);