Finite Group Databasebeta

C9×D1157 #35209694

order20826
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×D1157
unambiguous semidirect productC89⋊(C9×D13)

Splittings

Fitting, HallC9×C13×C89 ⋊ C2
derived, HallC13×C89 ⋊ C2×C9
HallC9×C89 ⋊ D13
HallC9×C13 ⋊ D89
SylowC89 ⋊ C9×D13
SylowC13 ⋊ C9×D89

Subgroups

subgroupG/H
center, hypercenterC9D1157
commutator, hypocenterC13×C89C2×C9
FrattiniC3C3×D1157
FittingC9×C13×C89C2
socle, cosocleC3×C13×C89C2×C3
prime radicalC3×D1157C3
LCSG ▷ C13×C89
UCSC1 ◁ C9

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10413

Conjugacy classes & character table

5220 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20826, 5);