【发布时间】:2018-02-26 11:11:39
【问题描述】:
我是 PARI/GP 的新手,正在学习不同的数字字段。我正在尝试使用 bnfinit(第 23 个分圆场)构建字段 k = Q(\zeta_23) 以运行以下脚本:
v=[]; w=[]; j=0; l=0;
forprime(p=29, 100000, {
if(p%46==1, j++; if(#bnfisintnorm(k,p)>0,l++;w=[p];v=concat(v,w)))
});
print("Up to 100000 there are ",j," primes congruent to 1 mod 46 and ",l," are norms of principal ideals")
跑到GP会报这个错误,
<=1,j++;if(#bnfisintnorm(k,p)>0,l++;w=[p];v=concat(v,w))));print("Up to 100000 there are ",j," primes congruent to 1 mod 46 and ",l," are norms of principal ideals")
*** at top-level: ...00000,if(p%46==1,j++;if(#bnfisintnorm(k,p)>0,
*** ^--------------------
*** bnfisintnorm: incorrect type in checknf [please apply nfinit()] (t_POL).
(18:29) gp >
这应该找到素数 p 使得域 K 中有代数整数,范数 p。
有什么帮助吗?谢谢。
【问题讨论】: