\\ Pari/GP code for working with number field 24.4.1211192363043189952963494621037336955654250561565277166664600372314453125.5. \\ Some of these functions may take a long time to execute (this depends on the field). \\ Define the number field: K = bnfinit(y^24 + 16350*y^20 - 1814850*y^18 + 5986825*y^16 + 3043866965*y^14 - 37017062175*y^12 - 1856266269475*y^10 + 38406857938650*y^8 + 183163137913575*y^6 - 7199514724704670*y^4 + 63149113723696375*y^2 + 613116592600078125, 1) \\ Defining polynomial: K.pol \\ Degree over Q: poldegree(K.pol) \\ Signature: K.sign \\ Discriminant: K.disc \\ Ramified primes: factor(abs(K.disc))[,1]~ \\ Integral basis: K.zk \\ Class group: K.clgp \\ Narrow class group: bnfnarrow(K) \\ Unit rank: K.fu \\ Generator for roots of unity: K.tu[2] \\ Fundamental units: K.fu \\ Regulator: K.reg \\ Analytic class number formula: \\ self-contained Pari/GP code snippet to compute the analytic class number formula K = bnfinit(x^24 + 16350*x^20 - 1814850*x^18 + 5986825*x^16 + 3043866965*x^14 - 37017062175*x^12 - 1856266269475*x^10 + 38406857938650*x^8 + 183163137913575*x^6 - 7199514724704670*x^4 + 63149113723696375*x^2 + 613116592600078125, 1); [polcoeff (lfunrootres (lfuncreate (K))[1][1][2], -1), 2^K.r1 * (2*Pi)^K.r2 * K.reg * K.no / (K.tu[1] * sqrt (abs (K.disc)))] \\ Intermediate fields: L = nfsubfields(K); L[2..length(L)] \\ Galois group: polgalois(K.pol) \\ Frobenius cycle types: \\ to obtain a list of [e_i,f_i] for the factorization of the ideal pO_K for p=7 in Pari: p = 7; pfac = idealprimedec(K, p); vector(length(pfac), j, [pfac[j][3], pfac[j][4]])