Finite Group Databasebeta
Cayley diagram

#150669

order512
nilpotency class5
isoclinismisoclinic class of #150578
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×AΣL(1,𝔽16)
commutatorC2×C4⋊C4C22×C4
Frattini, cosocle#391C23
prime radical#3460C4
LCSG ▷ C2×C4⋊C4 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C42 ◁ C4×#124 ◁ G
LECSG ▷ #391 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

377 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 377 conjugacy classes of subgroups — too many to draw. Only its 54 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:

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

Polycyclic presentation:

2^9|a^2=e,c^2=g,d^2=g,e^2=i,f^2=i,b^a=bd,c^a=cg,d^a=df,f^a=fh,h^a=hi,c^b=ci,d^b=dg,e^b=efgi,f^b=fi,h^b=hi,e^d=ehi,f^d=fi,f^e=fi

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 57865);