Finite Group Databasebeta
Cayley diagram

#151124

order512
nilpotency class5
isoclinismisoclinic class of #13697
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×D16
commutatorC2×C16C22×C4
Frattini, cosocleC4×C16C23
socleC22C4×D16
prime radicalC2×D16C2×C4
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×C8 ◁ C82 ◁ C8×C16 ◁ G
LECSG ▷ C4×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

139 conjugacy classes of subgroups; only the 56 normal subgroups are shown.

normal subgroups only

This group has 139 conjugacy classes of subgroups — too many to draw. Only its 56 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:

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

Polycyclic presentation:

2^9|a^2=e,c^2=e,d^2=fh,e^2=g,f^2=hi,h^2=i,b^a=bd,c^a=cgi,d^a=df,f^a=fh,h^a=hi,c^b=cg,d^b=df,f^b=fh,h^b=hi

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 58320);