\\ Pari/GP code for working with number field 28.2.149131196746943691587982208000000000000000000000.1

\\ Some of these functions may take a long time to execute (this depends on the field).

\\ Define the number field: 
K = bnfinit(y^28 + 5*y^26 - 70*y^24 - 325*y^22 + 1550*y^20 + 9000*y^18 - 17625*y^16 - 565625*y^14 - 3091250*y^12 - 7234375*y^10 - 16993750*y^8 - 9562500*y^6 - 23500000*y^4 - 1250000*y^2 - 5546875, 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^28 + 5*x^26 - 70*x^24 - 325*x^22 + 1550*x^20 + 9000*x^18 - 17625*x^16 - 565625*x^14 - 3091250*x^12 - 7234375*x^10 - 16993750*x^8 - 9562500*x^6 - 23500000*x^4 - 1250000*x^2 - 5546875, 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]])