Finite Group Databasebeta
Cayley diagram

#388131

order512
nilpotency class3
isoclinismisoclinic class of #32696
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C22×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2749
commutatorC22×C4C23×C4
Frattini, cosocleC23×C4C24
prime radicalC22×AGL(1,ℤ/8)C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C2 ▷ C1

957 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 20 points:

(1,2,3,4)(5,6,11,15,10,14,20,9)(7,16,18,17,19,12,8,13);(5,7)(6,12,14,16)(8,11)(9,13,15,17)(10,19)(18,20);(5,8,20,19,10,18,11,7)(6,13,15,16,14,17,9,12);(5,9,11,14,10,15,20,6)(7,17,18,16,19,13,8,12)

Polycyclic presentation:

2^9|a^2=h,b^2=ef,c^2=efgi,d^2=efg,g^2=i,h^2=i,b^a=be,c^a=cf,d^a=def,e^a=ei,c^b=cg,d^b=de,e^b=ei,f^b=fi,g^b=gi,h^b=hi,e^c=ei,f^c=fi,e^d=ei,g^d=gi,h^d=hi

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, 295327);