Finite Group Databasebeta

D7×D9×C71 #31822014

order17892
automorphism?
homologyAbelianization (H1) = C22×C71 · Schur multiplier (H2) = C2

Aliases

direct productD7×D9×C71
unambiguous semidirect product(C7×D9)⋊(C2×C71)
unambiguous semidirect product(C9×D7)⋊(C2×C71)
unambiguous semidirect productD63⋊(C2×C71)

Splittings

Fitting, HallC7×C9×C71 ⋊ C22
derived, HallC7×C9 ⋊ C22×C71
HallC9×C71 ⋊ C2×D7
HallC7×C71 ⋊ C2×D9
SylowC9 ⋊ C2×D7×C71
SylowC7 ⋊ C2×D9×C71

Subgroups

subgroupG/H
center, hypercenterC71D7×D9
commutator, cosocle, hypocenterC7×C9C22×C71
FrattiniC3D3×D7×C71
FittingC7×C9×C71C22
socleC3×C7×C71C2×D3
LCSG ▷ C7×C9
UCSC1 ◁ C71

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4473

Conjugacy classes & character table

2130 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17892, 31);