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user6690
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sum of all subgroup elements
and question with * : what is the limit when N -> inf = number_of _Ns_where(number of even > number of odd)/number_of _Ns_where(number of even <= number of odd) is it 1? ...574983 15362 15466 104 0.861205
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sum of all subgroup elements
I have checked many Ns, I have hypothesis : any difference between odd and even is possible for some N, how it can be proved?
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sum of all subgroup elements
I would say , the most interesting number for me is difference between odd and even :number which is "free" from order of group, for small N it has some connections with quadratic class number ,later they diverge...
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sum of all subgroup elements
thank you, but it is trivial case - odd == even. N = 35, no solution.
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sum of all subgroup elements
if $N$ is prime, factorization of $N-1$ is not “slow” problem.Then just check division 2 ** factors - 1 by $N$
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sum of all subgroup elements