Finite Group Databasebeta

C89⋊(D13⋊C9) #35209701

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

Aliases

unambiguous semidirect productC89⋊(D13⋊C9)
unambiguous semidirect product(C13⋊C9)⋊D89
unambiguous semidirect productD1157⋊C9

Splittings

derived, HallC13×C89 ⋊ C2×C9
HallC89×C13⋊C9 ⋊ C2
HallD1157 ⋊ C9
HallC13⋊C9 ⋊ D89
SylowC89 ⋊ D13⋊C9
SylowC13 ⋊ C9×D89

Subgroups

subgroupG/H
center, Frattini, hypercenterC3(C13⋊C3)⋊D89
commutator, hypocenterC13×C89C2×C9
Fitting, socle, cosocleC3×C13×C89C2×C3
prime radicalC3×D1157C3
LCSG ▷ C13×C89
UCSC1 ◁ C3

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10413

Polycyclic presentation:

2,3,13,89,3|b^3=e,c^a=c^12,d^a=d^88,c^b=c^3

Conjugacy classes & character table

948 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20826, 12);