"Source: Text/Group/GrpData.text";
"Line: 3210";
"Date: Mon May 16 10:58:19 2022";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Group/GrpData.text, line: 3210
// Example: H72E20 ()
print "Example: H72E20";
ei := GetEchoInput();
SetEchoInput(true);
NumberOfIrreducibleMatrixGroups(4, 5);
assert $1 eq 647;
NumberOfSolubleIrreducibleMatrixGroups(4, 5);
assert $1 eq 509;
G := IrreducibleMatrixGroup(4, 5, 511);
ChiefFactors(G);
IsIrreducible(G);
assert $1;
IsAbsolutelyIrreducible(G);
assert not $1;
SetEchoInput(ei);
