"Source: Text/Geometry/Polyhedra.text";
"Line: 2392";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/Polyhedra.text, line: 2392
// Example: H156E19 ()
print "Example: H156E19";
ei := GetEchoInput();
SetEchoInput(true);
L := ToricLattice(2);
K,emb := Sublattice([L | [2,0],[0,2]]);
vL := L ! [2,2];
IsPrimitive(vL);
assert not $1;
vK := vL @@ emb;
vK;
IsPrimitive(vK);
assert $1;
K ! vL;
IsPrimitive(K ! vL);
assert not $1;
SetEchoInput(ei);
