Finite Group Databasebeta

C2×C9×D497 #31822023

order17892
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×C9×D497
unambiguous semidirect product(C2×C71)⋊(C9×D7)

Splittings

FittingC2×C7×C9×C71 ⋊ C2
derived, HallC7×C71 ⋊ C22×C9
HallC7×C9×C71 ⋊ C22
HallC9×C71 ⋊ C2×D7
SylowC71 ⋊ C2×C9×D7
HallC7×C9 ⋊ C2×D71
SylowC7 ⋊ C2×C9×D71

Subgroups

subgroupG/H
center, hypercenterC2×C9D497
commutator, hypocenterC7×C71C22×C9
FrattiniC3C2×C3×D497
FittingC2×C7×C9×C71C2
socleC2×C3×C7×C71C2×C3
prime radicalC2×C3×D497C3
cosocleC3×C7×C71C22×C3
LCSG ▷ C7×C71
UCSC1 ◁ C2×C9

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8946

Conjugacy classes & character table

4500 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17892, 40);