"Source: Text/Group/GrpASim.text";
"Line: 4310";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Group/GrpASim.text, line: 4310
// Example: H72E23 ()
print "Example: H72E23";
ei := GetEchoInput();
SetEchoInput(true);
SetSeed(1);
G :=  
MatrixGroup<7, GF(11) |
[ 9, 1, 1, 3, 1, 3, 3, 1, 1, 3, 1, 3, 3, 9, 1, 3, 1, 3, 3, 9, 1, 3, 1, 3,
 3, 9, 1, 1, 1, 3, 3, 9, 1, 1, 3, 3, 3, 9, 1, 1, 3, 1, 3, 9, 1, 1, 3, 1, 3 ],
[ 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0,
0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 10, 10, 0, 0, 0, 0, 0,0] >;
flag, S := StandardGenerators (G, "J1");
flag;
assert $1;
StandardPresentation (G, "J1": Generators := S);
assert $1;
flag, M:= MaximalSubgroups (G, "J1": Generators := S);
#M;
assert $1 eq 7;
M[4];
SetEchoInput(ei);
