62.5 IsTransformation

IsTransformation( obj )

IsTransformation returns true if the object obj is a transformation and false otherwise.

  gap> IsTransformation( [1,1,2] );
  false                             # a list is not a transformation
  gap> IsTransformation( (1,2,3) );
  false                             # a permutation is not a transformation
  gap> IsTransformation( t1 );
  true

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