Finite Group Databasebeta
Cayley diagram

#129788

order512
nilpotency class4
isoclinismisoclinic class of #129781
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1781
commutatorC2×C42C22×C4
Frattini, cosocleC2×#117C23
prime radical#36018C2
LCSG ▷ C2×C42 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#519 ◁ G
LECSG ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1

946 conjugacy classes of subgroups; only the 108 normal subgroups are shown.

normal subgroups only

This group has 946 conjugacy classes of subgroups — too many to draw. Only its 108 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)(3,5)(4,7)(6,8)(9,10,14,20,15,21,11,19)(12,24,22,17,27,34,26,35)(13,28,23,32,29,18,30,16)(25,31,38,33,39,37,36,40);(2,5)(3,8)(6,7)(9,11,15,14)(10,16,21,32)(12,22,27,26)(13,23,29,30)(17,31,35,37)(18,19,28,20)(24,33,34,40)(25,36,39,38);(9,12,15,27)(10,17,21,35)(11,22,14,26)(13,25,29,39)(16,31,32,37)(18,33,28,40)(19,34,20,24)(23,36,30,38)

Polycyclic presentation:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 36984);