Niemeier Lattices in the Free Fermionic Heterotic–String Formulation

Table 3

The configuration of the symmetry group with six basis vectors.

										Gauge group
+	+	+	+	+	+	+	+	+	+
+	+	+	+	+	+	+	+	+
+	+	+	+	+	+	+	+
+	+	+	+	+	+	+
+	+	+	+		+	+		+
+	+	+	+				+	+	+
+	+	+	+	+					+
−	+	+	+	+	+	+	+	+	+
+	+	+	+
−		+	+		+	+	+	+	+
−				+	+	+	+	+	+
−			+	+	+	+	+	+	+
−					+	+	+	+