Finite Group Databasebeta
Cayley diagram

C5×C3⋊D9 #63198

order270
isoclinismisoclinic class of C3⋊D9
automorphism?
homologyAbelianization (H1) = C2×C5 · Schur multiplier (H2) = C3

Aliases

direct productC5×C3⋊D9
unambiguous semidirect productC3⋊(C5×D9)
unambiguous semidirect productC9⋊(C5×D3)

Splittings

Fitting, HallC3×C5×C9 ⋊ C2
derived, SylowC3×C9 ⋊ C2×C5

Subgroups

subgroupG/H
center, hypercenterC5C3⋊D9
commutator, cosocle, hypocenterC3×C9C2×C5
FrattiniC3C5×C3⋊D3
FittingC3×C5×C9C2
socleC32×C5D3
LCSG ▷ C3×C9
UCSC1 ◁ C5

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 135

A minimal faithful permutation representation — 3 generators on 17 points:

(2,3)(4,5,6,7,8)(10,12)(11,15)(13,14)(16,17);(1,2,3);(9,17,12,15,14,13,11,10,16)

Conjugacy classes & character table

75 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD5×C3⋊D9, C5×D3×D9, D15⋊D9, …
maximal normal subgroup ofD5×C3⋊D9, C5×D3×D9, D15⋊D9, …
maximal quotient ofC5×C3⋊Dic9, C2×C5×C3⋊D9, C5×C9⋊D9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(270, 16);