Finite Group Databasebeta
Cayley diagram

#194425

order512
nilpotency class3
isoclinismisoclinic class of #18992
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#120
commutatorC42C23×C4
Frattini, cosocleC2×C42C24
socleC22C2×#386
prime radical#60949C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1144 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:

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

Polycyclic presentation:

2^9|a^2=g,b^2=eg,e^2=h,f^2=hi,b^a=be,c^a=cf,d^a=dh,f^a=fh,e^b=eh,f^b=fi,g^b=gh,e^c=ei,f^c=fhi,g^c=gi

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, 101621);