Finite Group Databasebeta

D7×D71⋊C7 #28358165

order13916
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productD7×D71⋊C7
unambiguous semidirect productD71⋊(C7×D7)
unambiguous semidirect product(D7×D71)⋊C7
unambiguous semidirect product(C7×D71⋊C7)⋊C2
unambiguous semidirect product(C7⋊(D71⋊C7))⋊C2
unambiguous semidirect product(D7×C71⋊C7)⋊C2

Splittings

Fitting, socle, derivedC7×C71 ⋊ C22×C7
HallC7×C71⋊C7 ⋊ C22
SylowC71 ⋊ C2×C7×D7

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C71C22×C7
LCSG ▷ C7×C71
UCSC1

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 497

Conjugacy classes & character table

95 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(13916, 25);