Finite Group Databasebeta
Cayley diagram

#150135

order512
nilpotency class5
isoclinismisoclinic class of #13661
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×D16
commutatorC2×C16C22×C4
Frattini, cosocleC4×C16C23
socleC22C2×#357
prime radicalC2×#508C4
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×C8 ◁ C2×C4×C16 ◁ G
LECSG ▷ C4×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

245 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 245 conjugacy classes of subgroups — too many to draw. Only its 78 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

98 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 57331);