Finite Group Databasebeta

C2×D21×C307 #38788679

order25788
automorphism?
homologyAbelianization (H1) = C22×C307 · Schur multiplier (H2) = C2

Aliases

direct productC2×D21×C307
unambiguous semidirect product(C2×C3)⋊(D7×C307)
unambiguous semidirect product(C2×C7)⋊(D3×C307)

Splittings

Fitting, socleC2×C3×C7×C307 ⋊ C2
derived, HallC3×C7 ⋊ C22×C307
HallC3×C7×C307 ⋊ C22
HallC7×C307 ⋊ C2×D3
HallC3×C307 ⋊ C2×D7
SylowC7 ⋊ C2×D3×C307
SylowC3 ⋊ C2×D7×C307

Subgroups

subgroupG/H
center, hypercenterC2×C307D21
commutator, cosocle, hypocenterC3×C7C22×C307
FrattiniC1G
Fitting, socleC2×C3×C7×C307C2
LCSG ▷ C3×C7
UCSC1 ◁ C2×C307

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 12894

Conjugacy classes & character table

7368 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25788, 63);