Finite Group Databasebeta
Cayley diagram

#150122

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 radicalC23#357
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

201 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 201 conjugacy classes of subgroups — too many to draw. Only its 74 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) = 80
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 3 generators on 80 points:

(1,2,4,7,5,8,11,14)(3,6,10,13,9,12,15,16)(17,18)(19,30)(20,25)(21,39)(22,43)(23,29)(24,32)(26,41)(27,37)(28,38)(31,58)(33,64)(34,60)(35,59)(36,69)(40,55)(42,57)(44,52)(45,51)(46,61)(47,74)(48,67)(49,63)(50,71)(53,80)(54,62)(56,65)(66,78)(68,79)(70,77)(72,73)(75,76);(1,3)(2,6)(4,10)(5,9)(7,13)(8,12)(11,15)(14,16)(17,19,23,34)(18,24,29,49)(20,35,38,31)(21,40,42,75)(22,44,45,68)(25,48,28,46)(26,52,54,79)(27,55,56,76)(30,57,60,39)(32,62,63,41)(33,65,66,37)(36,70,72,74)(43,47,51,77)(50,64,53,78)(58,69,59,73)(61,71,67,80);(3,9)(6,12)(10,15)(13,16)(17,20,23,38)(18,25,29,28)(19,31,34,35)(21,36,42,72)(22,37,45,65)(24,46,49,48)(26,50,54,53)(27,51,56,43)(30,58,60,59)(32,61,63,67)(33,44,66,68)(39,69,57,73)(40,74,75,70)(41,71,62,80)(47,76,77,55)(52,78,79,64)

Polycyclic presentation:

2^9|a^2=e,b^2=i,c^2=i,d^2=fh,e^2=g,f^2=hi,h^2=i,b^a=bd,d^a=df,f^a=fh,h^a=hi,c^b=cgi,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, 57318);