Finite Group Databasebeta
Cayley diagram

#349146

order512
nilpotency class3
isoclinismisoclinic class of #349110
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2847
commutator, Frattini, cosocleC2×C42C24
prime radicalD4×#41C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1026 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)(3,5)(4,6)(7,8)(9,10,15,20)(11,21,22,32)(12,26,28,34)(13,19,14,18)(16,25,30,24)(17,29,33,27)(23,37,36,31)(35,39,40,38);(2,5)(6,7)(9,11,14,25,15,22,13,24)(10,16,19,32,20,30,18,21)(12,23,29,39,28,36,27,38)(17,31,34,40,33,37,26,35);(2,6)(4,8)(5,7)(11,22)(16,30)(21,32)(23,36)(24,25)(31,37)(35,40)(38,39);(9,12)(10,17)(11,23)(13,27)(14,29)(15,28)(16,31)(18,26)(19,34)(20,33)(21,35)(22,36)(24,38)(25,39)(30,37)(32,40)

Polycyclic presentation:

2^9|a^2=h,b^2=ehi,e^2=h,f^2=i,g^2=h,b^a=be,c^a=cf,d^a=dg,e^a=eh,f^a=fi,g^a=gh,c^b=ch,f^c=fi,g^d=gh

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 256342);