Finite Group Databasebeta
Cayley diagram

#314959

order512
nilpotency class3
isoclinismisoclinic class of #251791
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#535
commutator, Frattini, cosocleC2×C42C24
socleC22#2487
prime radical#392Q8
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

506 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=eg,b^2=ei,d^2=e,e^2=h,f^2=i,b^a=be,c^a=cf,d^a=de,e^a=eh,f^a=fi,g^a=gh,c^b=cg,f^b=fh,f^c=fi

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, 222155);