\\ Pari/GP code for working with number field 30.2.14026461290181639205847118647072000000000000000.1 \\ Some of these functions may take a long time to execute (this depends on the field). \\ Define the number field: K = bnfinit(y^30 - y^29 + 11*y^28 + 4*y^27 + 44*y^26 - 6*y^25 - 74*y^24 - 446*y^23 - 1543*y^22 + 183*y^21 - 1721*y^20 + 7116*y^19 + 11884*y^18 - 3168*y^17 + 7664*y^16 - 18756*y^15 + 17109*y^14 - 3363*y^13 - 2431*y^12 + 11594*y^11 - 15080*y^10 + 6868*y^9 + 3884*y^8 - 3768*y^7 + 2512*y^6 - 1864*y^5 - 1696*y^4 + 656*y^3 + 448*y^2 + 16*y - 16, 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 \\ 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^30 - x^29 + 11*x^28 + 4*x^27 + 44*x^26 - 6*x^25 - 74*x^24 - 446*x^23 - 1543*x^22 + 183*x^21 - 1721*x^20 + 7116*x^19 + 11884*x^18 - 3168*x^17 + 7664*x^16 - 18756*x^15 + 17109*x^14 - 3363*x^13 - 2431*x^12 + 11594*x^11 - 15080*x^10 + 6868*x^9 + 3884*x^8 - 3768*x^7 + 2512*x^6 - 1864*x^5 - 1696*x^4 + 656*x^3 + 448*x^2 + 16*x - 16, 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(b)] \\ Galois group: polgalois(K.pol) \\ Frobenius cycle types: \\ to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Pari: p = 7; pfac = idealprimedec(K, p); vector(length(pfac), j, [pfac[j][3], pfac[j][4]])