Finite Group Databasebeta
Cayley diagram

#512021

order512
nilpotency class4
isoclinismisoclinic class of #511796
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×B(4,𝔽2)
commutator, Frattini, cosocleC22×Q8C24
prime radicalC22×D4C2×D4
LCSG ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1

879 conjugacy classes of subgroups; only the 154 normal subgroups are shown.

normal subgroups only

This group has 879 conjugacy classes of subgroups — too many to draw. Only its 154 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 — 4 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=e,b^2=e,c^2=i,f^2=i,g^2=i,b^a=be,c^a=cf,d^a=dg,f^a=fi,g^a=gi,h^a=hi,f^c=fi,g^c=ghi,f^d=fh,g^d=gi,g^f=gi

Conjugacy classes & character table

53 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 419217);