Finite Group Databasebeta
Cayley diagram

#136635

order512
nilpotency class4
isoclinismisoclinic class of #13307
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#447
commutatorC22×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1874
prime radicalC2×#472C4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C4×#131 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

414 conjugacy classes of subgroups; only the 102 normal subgroups are shown.

normal subgroups only

This group has 414 conjugacy classes of subgroups — too many to draw. Only its 102 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) = 128

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

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

Polycyclic presentation:

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

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, 43831);