Finite Group Databasebeta
Cayley diagram

#141978

order512
nilpotency class4
isoclinismisoclinic class of #129430
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#410
commutatorC23×C4C22×C4
Frattini, cosocleC22×M16C23
socleC22#1464
prime radicalC24C2×M16
LCSG ▷ C23×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×M16 ◁ G
LECSG ▷ C22×M16 ▷ C2×C4 ▷ C2 ▷ C1

328 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 328 conjugacy classes of subgroups — too many to draw. Only its 84 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)(3,7)(4,5)(6,8)(9,10,15,21,13,20,32,38,16,22,31,18,14,19,12,29)(11,23,27,34,26,17,33,35,28,36,24,40,25,37,30,39);(2,5)(6,7)(9,11,15,27,14,25,12,30,16,28,31,24,13,26,32,33)(10,17,21,39,19,23,29,40,22,37,18,35,20,36,38,34);(1,3,4,8)(2,6,5,7)(9,12,14,31,16,32,13,15)(10,18,20,29,22,21,19,38)(11,24,26,30,28,27,25,33)(17,34,23,39,37,40,36,35)

Polycyclic presentation:

2^9|a^2=f,b^2=def,c^2=e,d^2=i,e^2=i,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ei,g^a=gi,c^b=ch,d^b=dg,e^b=ei,f^b=fgi,g^b=gi,d^c=di,f^d=fi

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 49174);