73.81 DerivationImages

DerivationImages( chi )

All the images of the elements of R are found using DerivationImage and their positions in S.elements is returned as a list.

    gap> XSC.source.elements;
    [ (), ( 1, 2, 3)( 4, 6, 5), ( 1, 3, 2)( 4, 5, 6) ]
    gap> DerivationImages(chi);
    [ 1, 2, 3, 2, 3, 1 ]  

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