Finite Group Databasebeta
Cayley diagram

#7623993

order512
nilpotency class4
isoclinismisoclinic class of D4×D16
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D8
commutator, Frattini, cosocleC2×C8C25
socleC22C23×D8
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×#41 ◁ C8×#41 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

1332 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 40 points:

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

Polycyclic presentation:

2^9|b^2=i,d^2=i,e^2=fi,g^2=hi,h^2=i,b^a=bf,c^a=cg,g^a=gh,h^a=hi,d^b=df,g^c=gh,h^c=hi

Conjugacy classes & character table

110 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 7531189);