Finite Group Databasebeta

C2×D21×C181 #29503511

order15204
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C22×C181 · Schur multiplier (H2) = C2

Aliases

direct productC2×D21×C181
unambiguous semidirect product(C2×C3)⋊(D7×C181)
unambiguous semidirect product(C2×C7)⋊(D3×C181)

Splittings

Fitting, socleC2×C3×C7×C181 ⋊ C2
derived, HallC3×C7 ⋊ C22×C181
HallC3×C7×C181 ⋊ C22
HallC7×C181 ⋊ C2×D3
HallC3×C181 ⋊ C2×D7
SylowC7 ⋊ C2×D3×C181
SylowC3 ⋊ C2×D7×C181

Subgroups

subgroupG/H
center, hypercenterC2×C181D21
commutator, cosocle, hypocenterC3×C7C22×C181
FrattiniC1G
Fitting, socleC2×C3×C7×C181C2
LCSG ▷ C3×C7
UCSC1 ◁ C2×C181

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7602

Conjugacy classes & character table

4344 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15204, 71);