Finite Group Databasebeta

C9×D65 #11924049

order1170
isoclinismisoclinic class of D65
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×D65
unambiguous semidirect productC5⋊(C9×D13)

Splittings

Fitting, HallC5×C9×C13 ⋊ C2
derived, HallC5×C13 ⋊ C2×C9
HallC9×C13 ⋊ D5
HallC5×C9 ⋊ D13
SylowC13 ⋊ C9×D5
SylowC5 ⋊ C9×D13

Subgroups

subgroupG/H
center, hypercenterC9D65
commutator, hypocenterC5×C13C2×C9
FrattiniC3C3×D65
FittingC5×C9×C13C2
socle, cosocleC3×C5×C13C2×C3
prime radicalC3×D65C3
LCSG ▷ C5×C13
UCSC1 ◁ C9

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 585

A minimal faithful permutation representation — 2 generators on 27 points:

(1,2,3,4,5,6,7,8,9)(10,11,12,13,14)(15,16,17,18,19,20,21,22,23,24,25,26,27);(11,14)(12,13)(16,27)(17,26)(18,25)(19,24)(20,23)(21,22)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC9×#63122, C9×#63121, C9⋊#63121, …
maximal normal subgroup ofC9×#63122, C9×#63121, C9⋊#63121, …
maximal quotient ofC9×Dic65, C2×C9×D65, C9×C11×D65, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1170, 7);