Finite Group Databasebeta
Cayley diagram

#7623994

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

1305 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)(9,10,15,19)(11,16,14,29)(12,22,24,38)(13,25,28,39)(17,32,34,23)(18,21,36,27)(20,37,30,35)(26,31,40,33);(1,2)(3,6)(4,5)(7,8)(9,11,15,14)(10,16,19,29)(12,20,24,30)(13,21,28,27)(17,31,34,33)(18,25,36,39)(22,37,38,35)(23,26,32,40);(9,12)(10,17)(11,20)(13,26)(14,30)(15,24)(16,31)(18,35)(19,34)(21,32)(22,25)(23,27)(28,40)(29,33)(36,37)(38,39);(2,5)(6,8)(9,11,15,14)(10,16,19,29)(12,20,24,30)(13,21,28,27)(17,31,34,33)(18,25,36,39)(22,37,38,35)(23,26,32,40);(1,3,4,7)(2,6,5,8)(9,11,15,14)(10,16,19,29)(12,20,24,30)(13,21,28,27)(17,31,34,33)(18,25,36,39)(22,37,38,35)(23,26,32,40)

Polycyclic presentation:

2^9|a^2=i,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, 7531190);