Finite Group Databasebeta

D11×D71⋊C7 #36346124

order21868
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productD11×D71⋊C7
unambiguous semidirect productD71⋊(C7×D11)
unambiguous semidirect product(D11×D71)⋊C7
unambiguous semidirect product(C11×D71⋊C7)⋊C2
unambiguous semidirect product(D11×C71⋊C7)⋊C2
unambiguous semidirect product(C11⋊(D71⋊C7))⋊C2

Splittings

Fitting, socle, derived, HallC11×C71 ⋊ C22×C7
HallC11×C71⋊C7 ⋊ C22
HallD11×D71 ⋊ C7
HallC71⋊C7 ⋊ C2×D11
SylowC71 ⋊ C2×C7×D11
SylowC11 ⋊ C2×D71⋊C7

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC11×C71C22×C7
LCSG ▷ C11×C71
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 781

Conjugacy classes & character table

133 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21868, 14);