Finite Group DatabasebetaFinite Group Databasebeta| order | 17898 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C3 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | (C157⋊C3)⋊D19 |
| Fitting, socle, derived, Hall | C19×C157 ⋊ C2×C3 |
| Hall | C19×C157⋊C3 ⋊ C2 |
| Hall | D2983 ⋊ C3 |
| Hall | C157⋊C3 ⋊ D19 |
| Sylow | C157 ⋊ C3×D19 |
| Sylow | C19 ⋊ D157⋊C3 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C19×C157 | C2×C3 |
| LCS | G ▷ C19×C157 | |
| UCS | C1 | |
16 conjugacy classes of subgroups.
| transitive degree | μt(G) = 2983 |
Polycyclic presentation:
2,3,19,157|c^a=c^18,d^a=d^156,d^b=d^12527 conjugacy classes — view the full character table.
| maximal subgroup of | D19×D157⋊C3, C2×(C157⋊C3)⋊D19 |
| maximal normal subgroup of | D19×D157⋊C3, C2×(C157⋊C3)⋊D19 |
| maximal quotient of | #49088901, C2×(C157⋊C3)⋊D19 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(17898, 21);