-- -*- M2-comint -*- hash: 7742462677452922982

i1 : M = matroid completeGraph 4

o1 = a "matroid" of rank 3 on 6 elements

o1 : Matroid

i2 : T = tuttePolynomial M

      3    3     2            2
o2 = x  + y  + 3x  + 4x*y + 3y  + 2x + 2y

o2 : ZZ[x..y]

i3 : factor characteristicPolynomial M

o3 = (x - 3)(x - 2)(x - 1)

o3 : Expression of class Product

i4 : 
