Finite Group Databasebeta
Cayley diagram

#111794

order512
nilpotency class3
isoclinismisoclinic class of #111793
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1438
commutatorC2×C42C22×C4
Frattini, cosocleC22×C42C23
prime radicalC22×#41D4
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C22 ▷ C1

931 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Polycyclic presentation:

2^9|a^2=g,b^2=h,d^2=i,f^2=h,b^a=bd,c^a=ce,d^a=dh,e^a=eh,f^a=fh,c^b=cf,d^b=di,f^b=fh,g^b=ghi,d^c=dh,f^c=fh,g^c=gh

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 18990);