Finite Group Databasebeta

C3×C31×Dic21 #21462958

order7812
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C3×C4×C31 · Schur multiplier (H2) = C1

Aliases

direct productC3×C31×Dic21
unambiguous semidirect productC3⋊(C3×Dic7×C31)

Splittings

derivedC3×C7 ⋊ C3×C4×C31
HallC32×C7×C31 ⋊ C4
HallC32×C31 ⋊ Dic7
HallC7×C31 ⋊ C3×Dic3
HallC32×C7 ⋊ C4×C31
SylowC32 ⋊ Dic7×C31
SylowC7 ⋊ C3×Dic3×C31

Subgroups

subgroupG/H
center, hypercenterC2×C3×C31D21
commutator, hypocenterC3×C7C3×C4×C31
FrattiniC2C3×C31×D21
Fitting, socleC2×C32×C7×C31C2
LCSG ▷ C3×C7
UCSC1 ◁ C2×C3×C31

56 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

2232 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7812, 107);