Indeed ! Thank you !! Sorry, it was my mistake :( Regards, Marek
pt., 11 sty 2019 o 14:35 Stephen Linton <s...@st-andrews.ac.uk> napisał(a): > > > > On 11 Jan 2019, at 12:17, Marek Mitros <ma...@mitros.org> wrote: > > > > Hi, > > > > I have defined octonions over field > > o:=OctaveAlgebra(GF(7)); > > > > Next create set of some invertible elements belonging to some subalgebra. > > And I wanted to see what group is generated by invertible elements in > this > > subalgebra. Unfortunately I cannot use "Group" function, because I obtain > > error "no groups of cyclotomics allowed because of incomatible ^". I am > > using GAP version 4.8.8. This subalgebra is associative, because it is > > generated by two elements. Therefore invertible elements should form a > > group. Do you have any advice or workaround how could I test my group ? I > > wanted to use StructureDescription. These are small groups of size > > 294,336,392 and 686. > > > > gap> g1:=Group([1..5],k->Random(c1i)); > > I think your problem is in this line. Group doesn’t work like that. Try > Group(List([1..5]….)) > > Steve > > > #I no groups of cyclotomics allowed because of incompatible ^ > > Error, usage: Group(<gen>,...), Group(<gens>), Group(<gens>,<id>) called > > from > > <function "Group">( <arguments> ) > > called from read-eval loop at line 74 of *stdin* > > you can 'quit;' to quit to outer loop, or > > you can 'return;' to continue > > brk> quit; > > > > Regards, > > Marek > > _______________________________________________ > > Forum mailing list > > Forum@gap-system.org > > https://mail.gap-system.org/mailman/listinfo/forum > > _______________________________________________ Forum mailing list Forum@gap-system.org https://mail.gap-system.org/mailman/listinfo/forum