76.1 PermCoxeterWord

PermCoxeterWord( W , w )

returns the permutation on the root vectors determined by an element which is given as a list w of integers representing the standard generators of the Coxeter group W.

    gap> W := CoxeterGroup( "G", 2 );;
    gap> PermCoxeterWord( W, [1,2,1] );
    ( 1,12)( 2, 4)( 3, 9)( 6, 7)( 8,10) 

See also CoxeterWord.

This function requires the package "chevie" (see RequirePackage).

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