Finite Group Databasebeta
Cayley diagram

#138178

order512
nilpotency class4
isoclinismisoclinic class of #137980
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1893
commutatorC22×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radicalC2×#41C22⋊C4
LCSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C4×#131 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 390 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) = 256

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfghi,c^2=h,d^2=ghi,e^2=i,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dg,g^a=gi,d^b=dh,e^b=ei,f^b=fh,d^c=di,e^c=ei,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, 45374);