# SageMath code for working with p-adic field 2.1.18.24a1.16. # Define the p-adic field: Prec = 100 # Default precision of 100 Q2 = Qp(2, Prec); x = polygen(QQ) K. = Q2.extension(x^18 + 2*x^14 + 2*x^13 + 2*x^11 + 2*x^9 + 2*x^7 + 2) # Defining polynomial: K.defining_polynomial() # Base field Qp: K.base() # Degree over Qp: K.absolute_degree() # Ramification index: K.absolute_e() # Residue field degree (Inertia degree): K.absolute_f() # Maximal unramified subextension: K.maximal_unramified_subextension() # Roots of unity: len(K.roots_of_unity())