Finite Group Databasebeta
Cayley diagram

#94665

order512
nilpotency class6
isoclinismisoclinic class of #94662
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1404
commutator#382C2×C4
Frattini, cosocle#1960C22
prime radicalC23AΣL(1,𝔽16)
LCSG ▷ #382 ▷ C2×C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C22×C4 ◁ C2×C42 ◁ #1960 ◁ G
LECSG ▷ #1960 ▷ C2×C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1

174 conjugacy classes of subgroups; only the 26 normal subgroups are shown.

normal subgroups only

This group has 174 conjugacy classes of subgroups — too many to draw. Only its 26 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 — 2 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=d,b^2=i,c^2=f,d^2=i,e^2=hi,g^2=i,b^a=bc,c^a=ce,e^a=eg,f^a=fi,g^a=gh,h^a=hi,c^b=cf,d^b=defhi,e^b=ehi,g^b=gh,d^c=dgh,e^c=eh,g^c=gi,e^d=ehi,g^d=gi

Conjugacy classes & character table

35 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 1861);