Finite Group Databasebeta
Cayley diagram

#149487

order512
nilpotency class4
isoclinismisoclinic class of #129633
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1790
commutatorC22×D4C22×C4
Frattini, prime radical, cosocleC22×#41C23
LCSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ G
LECSG ▷ C22×#41 ▷ C22 ▷ C2 ▷ C1

797 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=g,b^2=f,c^2=f,e^2=i,b^a=bd,c^a=ce,d^a=dh,f^a=fi,h^a=hi,c^b=cf,d^b=di,e^b=eh,g^b=gh,d^c=dh,g^c=gi,e^d=ei,g^d=gi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 56683);