"Source: Text/Group/GrpASim.text";
"Line: 2411";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Group/GrpASim.text, line: 2411
// Example: H72E10 ()
print "Example: H72E10";
ei := GetEchoInput();
SetEchoInput(true);
G := SL(2, 3^2);
flag, phi, tau, gamma, delta := RecogniseSL2(G, 3^2);
g := G![1, 2, 0, 1];
w := gamma(g);
delta(w) eq g;
assert $1;
SetEchoInput(ei);
