Finite Group Databasebeta
Cayley diagram

#140085

order512
nilpotency class4
isoclinismisoclinic class of #12077
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#442
commutatorC2×C8C22×C8
Frattini, cosocleC2×C4×C8C23
socleC22#1580
prime radicalC23#444
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C8 ◁ C2×#346 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

205 conjugacy classes of subgroups; only the 92 normal subgroups are shown.

normal subgroups only

This group has 205 conjugacy classes of subgroups — too many to draw. Only its 92 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) = 64

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=fg,c^2=dg,d^2=i,e^2=g,f^2=h,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=di,e^a=eg,g^a=gi,e^b=ei,d^c=di,e^c=egi,f^c=fi,g^c=gi

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 47281);