Finite Group Databasebeta

D3×C7×D247 #35209145

order20748
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productD3×C7×D247
unambiguous semidirect product(D3×C13)⋊(C7×D19)
unambiguous semidirect product(D3×C19)⋊(C7×D13)

Splittings

Fitting, socle, HallC3×C7×C13×C19 ⋊ C22
derived, HallC3×C13×C19 ⋊ C22×C7
HallC7×C13×C19 ⋊ C2×D3
HallC3×C7×C19 ⋊ C2×D13
HallC3×C7×C13 ⋊ C2×D19
HallC13×C19 ⋊ C2×D3×C7
HallC7×C19 ⋊ D3×D13
HallC7×C13 ⋊ D3×D19
HallC3×C19 ⋊ C2×C7×D13
HallC3×C13 ⋊ C2×C7×D19
HallC3×C7 ⋊ C2×D247
SylowC19 ⋊ D3×C7×D13
SylowC13 ⋊ D3×C7×D19
SylowC3 ⋊ C2×C7×D247

Subgroups

subgroupG/H
center, hypercenterC7D3×D247
commutator, cosocle, hypocenterC3×C13×C19C22×C7
FrattiniC1G
Fitting, socleC3×C7×C13×C19C22
LCSG ▷ C3×C13×C19
UCSC1 ◁ C7

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5187

Conjugacy classes & character table

2625 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20748, 373);