Finite Group Databasebeta
Cayley diagram

C8×C9 #605

order72
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C23×C3 (order 24) · Inn(G) = C1 · Out(G) = C23×C3
holomorphG ⋊ Aut(G) = AGL(1,ℤ/8)×AGL(1,ℤ/9)
homologyAbelianization (H1) = G · Schur multiplier (H2) = C1

Aliases

cyclicC72
abelianC8×C9
multiplicative(ℤ/73)ˣ, (ℤ/146)ˣ

Subgroups

subgroupG/H
centerGC1
commutatorC1G
Frattini, cosocleC3×C4C2×C3
socle, prime radicalC2×C3C3×C4
LCSG ▷ C1
UCSC1 ◁ G

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 72

A minimal faithful permutation representation — 1 generator on 17 points:

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

Conjugacy classes & character table

72 conjugacy classes — view the full character table.

Relationships

center ofC9×M32, C9×#131, C9×C3⋊C16, …
derived subgroup ofD144, #63359, Dic72, …
Frattini subgroup ofC27⋊C16, C16×C27, Dic216, …
Fitting subgroup ofC9⋊C16, Dic36, C8×D9, …
maximal subgroup ofC9⋊C16, C9×C16, Dic36, …
maximal normal subgroup ofC9⋊C16, C9×C16, Dic36, …
maximal quotient ofC9×C16, C2×C8×C9, C8×C27, …
automorphism group ofC73, C2×C73
outer automorphism group ofC73, C2×C73, D3×C73

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(72, 2);