Finite Group Databasebeta
Cayley diagram

#137661

order512
nilpotency class4
isoclinismisoclinic class of #137661
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1893
commutatorC22×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radicalC24#102
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×#405 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

385 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 385 conjugacy classes of subgroups — too many to draw. Only its 98 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,d^2=g,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ei,g^a=gi,c^b=ch,d^b=di,e^b=ei,f^b=fi,d^c=di,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, 44857);