Finite Group DatabasebetaFinite Group Databasebeta| order | 20862 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C3 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | C3⋊((C19⋊C3)⋊D61) |
| unambiguous semidirect product | (C19⋊C3)⋊D183 |
| Fitting, socle, derived | C3×C19×C61 ⋊ C2×C3 |
| Hall | C3×C19⋊C3×C61 ⋊ C2 |
| Hall | C19×C61 ⋊ C3×D3 |
| Hall | C3×C19⋊C3 ⋊ D61 |
| Sylow | C61 ⋊ C3⋊(D19⋊C3) |
| Sylow | C19 ⋊ C3×D183 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C3×C19×C61 | C2×C3 |
| LCS | G ▷ C3×C19×C61 | |
| UCS | C1 | |
36 conjugacy classes of subgroups.
| transitive degree | μt(G) = 3477 |
Polycyclic presentation:
2,3^2,19,61|c^a=c^2,d^a=d^18,e^a=e^60,d^b=d^7828 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20862, 61);