# SageMath code for working with p-adic field 61.1.5.4a1.1. # Define the p-adic field: Prec = 100 # Default precision of 100 Q61 = Qp(61, Prec); x = polygen(QQ) K. = Q61.extension(x^5 + 61) # 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())