Finite Group Databasebeta

(C13⋊C9)⋊D79 #32914864

order18486
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C13⋊C9)⋊D79

Splittings

derived, HallC13×C79 ⋊ C2×C9
HallC79×C13⋊C9 ⋊ C2
HallD1027 ⋊ C9
HallC13⋊C9 ⋊ D79
SylowC79 ⋊ D13⋊C9
SylowC13 ⋊ C9×D79

Subgroups

subgroupG/H
center, Frattini, hypercenterC3(C13⋊C3)⋊D79
commutator, hypocenterC13×C79C2×C9
Fitting, socle, cosocleC3×C13×C79C2×C3
prime radicalC3×D1027C3
LCSG ▷ C13×C79
UCSC1 ◁ C3

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9243

Polycyclic presentation:

2,3,13,79,3|b^3=e,c^a=c^12,d^a=d^78,c^b=c^3

Conjugacy classes & character table

843 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD79×D13⋊C9, C2×(C13⋊C9)⋊D79
maximal normal subgroup ofD79×D13⋊C9, C2×(C13⋊C9)⋊D79
maximal quotient of#49149379, C2×(C13⋊C9)⋊D79

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18486, 27);