Finite Group Databasebeta
Cayley diagram

#127549

order512
nilpotency class4
isoclinismisoclinic class of #1347
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC42#102
commutatorC2×C8C2×C42
Frattini, cosocleC23×C8C23
socleC22C2×#340
prime radicalC24C2×SD16
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C42 ◁ C22×C42 ◁ C22×C4×C8 ◁ G
LECSG ▷ C23×C8 ▷ C2×C4 ▷ C2 ▷ C1

511 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:

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

Polycyclic presentation:

2^9|a^2=e,b^2=f,c^2=gh,d^2=gi,e^2=i,g^2=i,h^2=i,b^a=bd,d^a=dg,f^a=fghi,g^a=gi,h^a=hi,d^b=dh,g^b=gi,h^b=hi

Conjugacy classes & character table

116 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 34745);