Finite Group Databasebeta
Cayley diagram

#131388

order512
nilpotency class4
isoclinismisoclinic class of #131264
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1790
commutatorC2×C22⋊C4C22×C4
Frattini, cosocleC2×#117C23
prime radicalC24C2×C22⋊C4
LCSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#117 ◁ G
LECSG ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1

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

normal subgroups only

This group has 656 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=i,c^2=g,d^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=egi,g^a=gi,d^b=dh,e^b=egi,f^b=fgh,d^c=dg,e^c=ei,f^c=fgi,e^d=ei,f^d=fi,f^e=fi

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 38584);