Finite Group Databasebeta

C2×C31×D21 #14579652

order2604
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C22×C31 · Schur multiplier (H2) = C2

Aliases

direct productC2×C31×D21
unambiguous semidirect product(C2×C3)⋊(D7×C31)
unambiguous semidirect product(C2×C7)⋊(D3×C31)

Splittings

Fitting, socleC2×C3×C7×C31 ⋊ C2
derived, HallC3×C7 ⋊ C22×C31
HallC3×C7×C31 ⋊ C22
HallC7×C31 ⋊ C2×D3
HallC3×C31 ⋊ C2×D7
SylowC7 ⋊ C2×D3×C31
SylowC3 ⋊ C2×D7×C31

Subgroups

subgroupG/H
center, hypercenterC2×C31D21
commutator, cosocle, hypocenterC3×C7C22×C31
FrattiniC1G
Fitting, socleC2×C3×C7×C31C2
LCSG ▷ C3×C7
UCSC1 ◁ C2×C31

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1302

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC2×D21×ΓL(1,𝔽32), D5×C31×D21, C2×C31×D105, …
maximal normal subgroup ofC2×D21×ΓL(1,𝔽32), C2×C5×C31×D21, C2×C7×C31×D21, …
maximal quotient ofD5×C31×D21, C2×C31×D105, C2×C5×C31×D21, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2604, 63);