Finite Group Databasebeta
Cayley diagram

#131538

order512
nilpotency class4
isoclinismisoclinic class of #131160
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1790
commutatorC2×C22⋊C4C22×C4
Frattini, cosocleC2×#117C23
prime radical#392C2×C4
LCSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#117 ◁ G
LECSG ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1

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

normal subgroups only

This group has 558 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) = 64

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=i,c^2=h,d^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gi,d^b=dh,e^b=eg,f^b=fgh,d^c=dgi,f^c=fg,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, 38734);