"Source: Text/Group/GrpCoh.text";
"Line: 1246";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Group/GrpCoh.text, line: 1246
// Example: H75E19 ()
print "Example: H75E19";
ei := GetEchoInput();
SetEchoInput(true);
//no-test
G := Alt(5);
M := PermutationModule(G,Integers());
X := CohomologyModule(G,M);
CohomologyGroup(X,0);     
CohomologyGroup(X,1);     
CohomologyGroup(X,2);     
E := Extension(X,[1]);
E;
DE := DistinctExtensions(X);
SetEchoInput(ei);
