Finite Group Databasebeta
Cayley diagram

#197618

order512
nilpotency class3
isoclinismisoclinic class of #19384
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#121
commutatorC42C23×C4
Frattini, cosocleC2×C42C24
socleC22C2×#386
prime radicalC2×#3035C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1363 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:

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

Polycyclic presentation:

2^9|a^2=g,b^2=egh,e^2=hi,f^2=i,b^a=be,c^a=cf,d^a=di,e^a=eh,d^b=di,e^b=ei,f^b=fi,g^b=gi,e^c=ei,f^c=fi,g^c=gi

Conjugacy classes & character table

98 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 104814);