Finite Group Databasebeta

C2×D21×C191 #30631019

order16044
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C22×C191 · Schur multiplier (H2) = C2

Aliases

direct productC2×D21×C191
unambiguous semidirect product(C2×C3)⋊(D7×C191)
unambiguous semidirect product(C2×C7)⋊(D3×C191)

Splittings

Fitting, socleC2×C3×C7×C191 ⋊ C2
derived, HallC3×C7 ⋊ C22×C191
HallC3×C7×C191 ⋊ C22
HallC7×C191 ⋊ C2×D3
HallC3×C191 ⋊ C2×D7
SylowC7 ⋊ C2×D3×C191
SylowC3 ⋊ C2×D7×C191

Subgroups

subgroupG/H
center, hypercenterC2×C191D21
commutator, cosocle, hypocenterC3×C7C22×C191
FrattiniC1G
Fitting, socleC2×C3×C7×C191C2
LCSG ▷ C3×C7
UCSC1 ◁ C2×C191

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8022

Conjugacy classes & character table

4584 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16044, 29);