Finite Group Databasebeta
Cayley diagram

C4×C5×C9 #4359

order180
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C22×C3×C4 (order 48) · Inn(G) = C1 · Out(G) = C22×C3×C4
holomorphG ⋊ Aut(G) = D4×AGL(1,𝔽5)×AGL(1,ℤ/9)
homologyAbelianization (H1) = G · Schur multiplier (H2) = C1

Aliases

cyclicC180
abelianC4×C5×C9
multiplicative(ℤ/181)ˣ, (ℤ/362)ˣ

Subgroups

subgroupG/H
centerGC1
commutatorC1G
Frattini, cosocleC2×C3C2×C3×C5
socle, prime radicalC2×C3×C5C2×C3
LCSG ▷ C1
UCSC1 ◁ G

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 180

A minimal faithful permutation representation — 1 generator on 18 points:

(1,2,3,4)(5,6,7,8,9,10,11,12,13)(14,15,16,17,18)

Conjugacy classes & character table

180 conjugacy classes — view the full character table.

Relationships

center ofC5×C9×M16, C5×C9×#41, C5×C9×C3⋊C8, …
derived subgroup of#10623542, #10623543, #10623544, …
Fitting subgroup ofC5×C9⋊C8, C9×#168, C9⋊#168, …
maximal subgroup ofC5×C9⋊C8, C9×#168, C9⋊#168, …
maximal normal subgroup ofC5×C9⋊C8, C9×#168, C9⋊#168, …
maximal quotient ofC5×C8×C9, C2×C4×C5×C9, C4×C5×C27, …
automorphism group ofC181, C2×C181
outer automorphism group ofC181, C2×C181

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(180, 4);