[GAP Forum] Need your help! Thank you !

[Jack Schmidt]

Probably you will find what you need at:

http://www.gap-system.org/Doc/doc.html


It links to many good documents, including:

A "How to" guide: http://www.usna.edu/Users/math/wdj/gap/GAPconstructions.html

The current reference manual: http://www.gap-system.org/Manuals/doc/htm/ref/chapters.htm


If you type:

grp := DihedralGroup(12);
aut := AutomorphismGroup(grp);
inn := grp/Center(grp);
StructureDescription(aut);
StructureDescription(inn);

into GAP then you will see:

gap> grp := DihedralGroup(12);
<pc group of size 12 with 3 generators>
gap> aut := AutomorphismGroup(grp);
<group of size 12 with 3 generators>
gap> inn := grp/Center(grp);
Group([ f1, f2^2, f2 ])
gap> StructureDescription(aut);
"D12"
gap> StructureDescription(inn);
"S3"



On 2009-05-14, at 09:55, zuohui wu wrote:

> Dear forum :
>      I am new to GAP4 . I need your help !
> I want to study more about Gap4.
> Now I only know that http://people.math.jussieu.fr/~jmichel/htm/ ,  
> but it is not convenience for me to study .
> Could you give me any other references (books)?
>
> P.s.   I want to use Gap4 to do some calculation about geoups (such  
> as :size ,automorphisms ,inner automorphisms, the structure of the  
> automorphism groups )
>
> Thank you very much !
>
> Best wishes to you!
>
>
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