Finite Group Databasebeta
Cayley diagram

#150119

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 radical#2215C4
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

204 conjugacy classes of subgroups; only the 72 normal subgroups are shown.

normal subgroups only

This group has 204 conjugacy classes of subgroups — too many to draw. Only its 72 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)(31,57)(33,63)(34,65)(35,58)(36,66)(40,54)(42,72)(44,51)(45,50)(46,59)(47,73)(48,62)(49,68)(52,78)(53,75)(55,70)(56,61)(60,77)(64,79)(67,76)(69,71)(74,80);(1,3)(2,6)(4,10)(5,9)(7,13)(8,12)(11,15)(14,16)(17,19)(18,24)(20,31)(21,40)(22,44)(23,35)(25,46)(26,51)(27,54)(28,56)(29,48)(30,39)(32,41)(33,37)(34,38)(36,67)(42,74)(43,47)(45,60)(49,63)(50,76)(52,79)(53,77)(55,80)(57,66)(58,72)(59,68)(61,78)(62,75)(64,70)(65,71)(69,73);(3,9)(6,12)(10,15)(13,16)(17,20,23,38)(18,25,29,28)(19,31,35,34)(21,36,42,69)(22,37,45,70)(24,46,48,56)(26,49,53,52)(27,50,55,43)(30,57,58,65)(32,59,62,61)(33,60,64,44)(39,66,72,71)(40,67,74,73)(41,68,75,78)(47,54,76,80)(51,63,77,79)

Polycyclic presentation:

2^9|a^2=e,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=cg,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, 57315);