Finite Group Databasebeta

C2×C7×D9×C71 #31822024

order17892
isoclinismisoclinic class of D9
automorphism?
homologyAbelianization (H1) = C22×C7×C71 · Schur multiplier (H2) = C2

Aliases

direct productC2×C7×D9×C71
unambiguous semidirect productC9⋊(C22×C7×C71)
unambiguous semidirect product(C2×C9)⋊(C2×C7×C71)

Splittings

FittingC2×C7×C9×C71 ⋊ C2
derived, SylowC9 ⋊ C22×C7×C71
HallC7×C9×C71 ⋊ C22
HallC9×C71 ⋊ C22×C7
HallC7×C9 ⋊ C22×C71

Subgroups

subgroupG/H
center, hypercenterC2×C7×C71D9
commutator, cosocle, hypocenterC9C22×C7×C71
FrattiniC3C2×D3×C7×C71
FittingC2×C7×C9×C71C2
socleC2×C3×C7×C71D3
LCSG ▷ C9
UCSC1 ◁ C2×C7×C71

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8946

Conjugacy classes & character table

5964 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17892, 41);