\\ Pari/GP code for working with number field 30.2.30569568178695653232311243684564905832093935730688.1 \\ Some of these functions may take a long time to execute (this depends on the field). \\ Define the number field: K = bnfinit(y^30 - 24*y^28 + 342*y^26 - 3240*y^24 + 23571*y^22 - 138753*y^20 + 675054*y^18 - 2755620*y^16 + 9454401*y^14 - 26985393*y^12 + 64658655*y^10 - 119042784*y^8 + 183878586*y^6 - 172186884*y^4 + 153055008*y^2 - 14348907, 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 - 24*x^28 + 342*x^26 - 3240*x^24 + 23571*x^22 - 138753*x^20 + 675054*x^18 - 2755620*x^16 + 9454401*x^14 - 26985393*x^12 + 64658655*x^10 - 119042784*x^8 + 183878586*x^6 - 172186884*x^4 + 153055008*x^2 - 14348907, 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]])