73.84 Operations for derivations

The operations record for derivations is XModDerivationByImagesOps.

    gap> RecFields( chi.operations );
    [ "name", "operations", "IsMapping", "IsInjective", "IsSurjective", 
      "IsBijection", "IsHomomorphism", "IsMonomorphism", "IsEpimorphism", 
      "IsIsomorphism", "IsEndomorphism", "IsAutomorphism", "=", "<", "*",
      "/", "mod", "Comm", "^", "ImageElm", "ImagesElm", "ImagesSet",
      "ImagesSource", "ImagesRepresentative", "PreImageElm",
      "PreImagesSet", "PreImagesRange", "PreImagesRepresentative",
      "PreImagesElm", "CompositionMapping", "PowerMapping",
      "IsGroupHomomorphism", "KernelGroupHomomorphism",
      "IsFieldHomomorphism", "KernelFieldHomomorphism",
      "InverseMapping", "Print", "IsRegular" ]  

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