\\ Pari/GP code for working with number field 23.23.16151009482177927765006229664562804196212236775629575713829087641.1 \\ Some of these functions may take a long time to execute (this depends on the field). \\ Define the number field: K = bnfinit(y^23 - y^22 - 396*y^21 + 517*y^20 + 58242*y^19 - 89048*y^18 - 4136665*y^17 + 6675371*y^16 + 155317993*y^15 - 248917597*y^14 - 3168505860*y^13 + 4803054368*y^12 + 34789513687*y^11 - 47690452504*y^10 - 193631555469*y^9 + 225956060874*y^8 + 483028561517*y^7 - 415966978205*y^6 - 465412635150*y^5 + 267147031000*y^4 + 115014666875*y^3 - 62643096875*y^2 - 1127109375*y + 2017578125, 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^23 - x^22 - 396*x^21 + 517*x^20 + 58242*x^19 - 89048*x^18 - 4136665*x^17 + 6675371*x^16 + 155317993*x^15 - 248917597*x^14 - 3168505860*x^13 + 4803054368*x^12 + 34789513687*x^11 - 47690452504*x^10 - 193631555469*x^9 + 225956060874*x^8 + 483028561517*x^7 - 415966978205*x^6 - 465412635150*x^5 + 267147031000*x^4 + 115014666875*x^3 - 62643096875*x^2 - 1127109375*x + 2017578125, 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]])