Finite Group DatabasebetaFinite Group Databasebeta| order | 20646 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C3 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | C3⋊((C31⋊C3)⋊D37) |
| unambiguous semidirect product | (C31⋊C3)⋊D111 |
| Fitting, socle, derived | C3×C31×C37 ⋊ C2×C3 |
| Hall | C3×C37×C31⋊C3 ⋊ C2 |
| Hall | C31×C37 ⋊ C3×D3 |
| Hall | C3×C31⋊C3 ⋊ D37 |
| Sylow | C37 ⋊ C3⋊(D31⋊C3) |
| Sylow | C31 ⋊ C3×D111 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C3×C31×C37 | C2×C3 |
| LCS | G ▷ C3×C31×C37 | |
| UCS | C1 | |
36 conjugacy classes of subgroups.
| transitive degree | μt(G) = 3441 |
Polycyclic presentation:
2,3^2,31,37|c^a=c^2,d^a=d^30,e^a=e^36,d^b=d^5726 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20646, 61);