Finite Group Databasebeta
Cayley diagram

C9×#137 #63539

order288
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphismAut(G) = C2×C3×D42 (order 384) · Inn(G) = C2×D4 · Out(G) = C23×C3
homologyAbelianization (H1) = C23×C9 · Schur multiplier (H2) = C22

Aliases

direct productC9×#137

Subgroups

subgroupG/H
centerC2×C9C2×D4
commutatorC4C23×C9
Frattini, cosocleC3×C4C23×C3
socleC2×C3C2×C3×D4
prime radicalC3×#41C2×C3
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C9 ◁ C2×C4×C9 ◁ G

90 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 144

A minimal faithful permutation representation — 3 generators on 25 points:

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

Conjugacy classes & character table

99 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#10588882, #10588883, #10588884, …
maximal subgroup of#10588882, #10588883, #10588884, …
maximal normal subgroup of#10588882, #10588883, #10588884, …
maximal quotient ofC9×#417, C9×#419, C9×#428, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 187);