GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
############################################################################# ## #W Whitehd.gd FGA package Christian Sievers ## ## Declarations for computations with Whitehead automorphisms ## #Y 2004 - 2012 ## DeclareAttribute( "FGA_WhiteheadParams", IsGroupHomomorphism ); DeclareAttribute( "FGA_WhiteheadAutomorphisms", IsFreeGroup ); DeclareAttribute( "FGA_NielsenAutomorphisms", IsFreeGroup ); DeclareGlobalFunction( "FGA_WhiteheadAutomorphism" ); DeclareGlobalFunction( "FGA_WhiteheadAnalyse" ); DeclareGlobalFunction( "FGA_WhiteheadToPQOU" ); DeclareGlobalFunction( "FGA_NikToPQ" ); DeclareGlobalFunction( "FGA_TiToPQ" ); DeclareGlobalFunction( "FGA_ExtSymListRepToPQO" ); DeclareGlobalFunction( "FGA_CurryAutToPQOU" );