An infinite family of pairs of imaginary quadratic fields with both class numbers divisible by five
An infinite family of pairs of imaginary quadratic fields with both class numbers divisible by five
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两个类数均可被 5 整除的虚数二次场对的无限族
DOI:
10.1016/j.jnt.2016.12.007
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发表时间:
2017
影响因子:
0.7
通讯作者:
Yasuhiro Kishi
中科院分区:
文献类型:
--
作者:
Miho Aoki;Yasuhiro Kishi
We construct a new infinite family of pairs of imaginary quadratic fields with both class numbers divisible by five. Let n be a positive integer that satisfy n≡±3 (mod 500) and n≢ 0 (mod 3). We prove that 5 divides the class numbers of both Q (2− F n) and Q (5 (2− F n)), where F n is the nth Fibonacci number.
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