"Source: Text/Group/Grp.text";
"Line: 1686";
"Date: Mon Mar 29 16:52:44 2021";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Group/Grp.text, line: 1686
// Example: H63E14 ()
print "Example: H63E14";
ei := GetEchoInput();
SetEchoInput(true);
M := SymplecticGroup(2, 4);
#M;
assert $1 eq 60;
Ms := sub< M | M.1 * M.2 >;
Index(M, Ms);        
assert $1 eq 12;
PG := CosetImage(M, Ms);
PG;
#PG;
assert $1 eq 60;
SetEchoInput(ei);
