Finite Group Databasebeta

D57⋊D83 #34038741

order18924
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD57⋊D83
unambiguous semidirect productD249⋊D19
unambiguous semidirect productD1577⋊D3

Splittings

Fitting, socle, derived, HallC3×C19×C83 ⋊ C22
HallC19×C83 ⋊ C2×D3
HallC3×C83 ⋊ C2×D19
SylowC83 ⋊ D3×D19
HallC3×C19 ⋊ C2×D83
SylowC19 ⋊ D3×D83
SylowC3 ⋊ D19×D83

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C19×C83C22
LCSG ▷ C3×C19×C83
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4731

Polycyclic presentation:

2^2,3,19,83|d^a=d^18,e^a=e^82,c^b=c^2,d^b=d^18

Conjugacy classes & character table

1263 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18924, 24);