Finite Group Databasebeta
Cayley diagram

#140746

order512
nilpotency class4
isoclinismisoclinic class of #13247
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1972
commutatorC2×C8C22×C8
Frattini, cosocleC2×C4×C8C23
prime radicalC22×D8C2×C4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1450 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 332 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 47942);