Finite Group Databasebeta
Cayley diagram

#131217

order512
nilpotency class4
isoclinismisoclinic class of #131212
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1790
commutatorC2×C4⋊C4C22×C4
Frattini, cosocleC2×C4×D4C23
prime radicalC22×D4C2×D4
LCSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C4×D4 ▷ C23 ▷ C2 ▷ C1

535 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 535 conjugacy classes of subgroups — too many to draw. Only its 78 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=i,c^2=gi,d^2=h,e^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=egi,g^a=gi,c^b=ci,d^b=dh,e^b=egi,f^b=fgh,d^c=dg,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, 38413);