[GAP Forum] how to calculate the automorphism group ?Thanks!

[Benjamin Sambale]

First of all construct G via free groups:

F:=FreeGroup("x","y");
AssignGeneratorVariables(F);
N:=NormalClosure(F,Subgroup(F,[x^27,y^343,x^y*x^(-10)]));
G:=FactorGroup(F,N);

Then compute the automorphism group:

AutomorphismGroup(G);

zuohui wu schrieb:
> Dear forum :
>      I am new to GAP .I need you help !
>     Now I want to calculate the automorphism group ,but I do not know how to do it .
> G=<x,y:x^27=1=y^243,x^y=x^10>    
> Could you give me some examples?
>  
> Best wishes!!
>  
>
>
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