Finite Group Databasebeta

C3×C31×D21 #16840917

order3906
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C2×C3×C31 · Schur multiplier (H2) = C1

Aliases

direct productC3×C31×D21
unambiguous semidirect productC3⋊(C3×D7×C31)

Splittings

Fitting, socle, HallC32×C7×C31 ⋊ C2
derivedC3×C7 ⋊ C2×C3×C31
HallC32×C31 ⋊ D7
HallC7×C31 ⋊ C3×D3
HallC32×C7 ⋊ C2×C31
SylowC32 ⋊ D7×C31
SylowC7 ⋊ C3×D3×C31

Subgroups

subgroupG/H
center, hypercenterC3×C31D21
commutator, cosocle, hypocenterC3×C7C2×C3×C31
FrattiniC1G
Fitting, socleC32×C7×C31C2
LCSG ▷ C3×C7
UCSC1 ◁ C3×C31

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 44
transitive degreeμt(G) = 1302

Conjugacy classes & character table

1116 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC3×D21×ΓL(1,𝔽32), C3×C31×D105, C3×C5×C31×D21, …
maximal normal subgroup ofC3×D21×ΓL(1,𝔽32), C3×C5×C31×D21, C3×C7×C31×D21
maximal quotient ofC3×C31×D105, C3×C5×C31×D21, C3×C31×D147, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3906, 67);