Finite Group Databasebeta
Cayley diagram

#181820

order512
nilpotency class2
isoclinismisoclinic class of H(3,ℤ/4)
automorphism?
homologyAbelianization (H1) = C22×C4×C8 · Schur multiplier (H2) = C23×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4×C8C42
commutatorC4C22×C4×C8
Frattini, cosocleC2×C42C24
socleC22C2×#376
prime radicalC24#117
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C4×C8 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

828 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 40 points:

(1,2,4,7,5,8,3,6)(9,10)(11,19,22,32)(12,16)(13,17)(14,18)(15,21,27,35)(20,31,34,39)(23,28)(24,29)(25,30)(26,33,37,40)(36,38);(9,11)(10,15,18,27)(12,20)(13,21)(14,22)(16,26,29,37)(17,19,30,32)(23,33)(24,34)(25,35)(28,31,38,39)(36,40);(9,12,13,23,14,24,25,36)(10,16,17,28,18,29,30,38)(11,20,21,33,22,34,35,40)(15,26,19,31,27,37,32,39);(1,3,5,4)(2,6,8,7)

Polycyclic presentation:

2^9|a^2=f,b^2=g,c^2=e,d^2=i,e^2=h,f^2=i,b^a=be,g^a=gh,f^b=fh

Conjugacy classes & character table

176 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72224691, #72226711, #72226713
maximal normal subgroup of#72224691, #72226711, #72226713

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 89016);