Finite Group Databasebeta
Cayley diagram

#140742

order512
nilpotency class3
isoclinismisoclinic class of #1714
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C8#127
commutatorC42C22×C8
Frattini, cosocleC2×C4×C8C23
socleC22#1954
prime radical#3169C4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

344 conjugacy classes of subgroups; only the 106 normal subgroups are shown.

normal subgroups only

This group has 344 conjugacy classes of subgroups — too many to draw. Only its 106 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,c^2=e,d^2=g,e^2=gi,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=egi,c^b=cg

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 47938);