Finite Group Databasebeta
Cayley diagram

#115442

order512
nilpotency class3
isoclinismisoclinic class of #115437
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 radicalC2×#532C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C22 ▷ C1

928 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:

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

Polycyclic presentation:

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

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, 22638);