Finite Group Databasebeta

D21⋊D141 #26044945

order11844
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD21⋊D141

Splittings

Fitting, socle, derived, HallC32×C7×C47 ⋊ C22
HallC32×C47 ⋊ C2×D7
HallC7×C47 ⋊ D32
HallC32×C7 ⋊ C2×D47
SylowC47 ⋊ (C3⋊D3)⋊D7
SylowC32 ⋊ D7×D47
SylowC7 ⋊ D3×D141

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC32×C7×C47C22
LCSG ▷ C32×C7×C47
UCSC1

88 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3^2,7,47|c^a=c^2,d^a=d^2,f^a=f^46,d^b=d^2,e^b=e^6

Conjugacy classes & character table

855 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(11844, 92);