Finite Group Databasebeta
Cayley diagram

#140195

order512
nilpotency class3
isoclinismisoclinic class of #10370
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C8#124
commutatorC2×C42C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1924
prime radical#532C2×C4
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

253 conjugacy classes of subgroups; only the 86 normal subgroups are shown.

normal subgroups only

This group has 253 conjugacy classes of subgroups — too many to draw. Only its 86 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,c^2=d,d^2=gi,e^2=gi,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eg,c^b=ch,d^b=di,f^b=fi,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, 47391);