To get the multi-degree of the element, use degree.
i1 : L=lieAlgebra({a,b},{[a,a,b],[b,b,a]},genWeights=>{{1,1},{1,1}}) o1 = L o1 : LieAlgebra |
i2 : extAlgLie 3 o2 = | 2 0 0 | | 0 0 2 | | 0 0 0 | 3 3 o2 : Matrix ZZ <--- ZZ |
i3 : L.cache.extAlgRing o3 = QQ[ext , ext , ext , ext ] 0 1 2 3 o3 : PolynomialRing |
i4 : signExtLie(ext_2) o4 = 0 |
i5 : degree ext_2 o5 = {3, 3, 2} o5 : List |