Finite Group Databasebeta
Cayley diagram

#140189

order512
nilpotency class4
isoclinismisoclinic class of #13156
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1936
commutatorC2×C8C22×C8
Frattini, cosocleC2×C4×C8C23
prime radicalC23#440
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1450 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

245 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 245 conjugacy classes of subgroups — too many to draw. Only its 90 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) = 256

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,c^2=d,d^2=g,e^2=gi,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=egi,g^a=gi,c^b=cg,d^b=di,e^b=ei,f^b=fi,e^c=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, 47385);