TeX:
\lim_{N \to \infty} \frac{\sum_{q=1}^{N} \# G_{q}}{\frac{1}{2} {N}^{2}} = \frac{6}{{\pi}^{2}}
Definitions:
Fungrim symbol | Notation | Short description |
---|---|---|
SequenceLimit | Limiting value of sequence | |
Sum | Sum | |
Cardinality | Set cardinality | |
DirichletGroup | Dirichlet characters with given modulus | |
Pow | Power | |
Infinity | Positive infinity | |
Pi | The constant pi (3.14...) |
Source code for this entry:
Entry(ID("f88596"), Formula(Equal(SequenceLimit(Div(Sum(Cardinality(DirichletGroup(q)), For(q, 1, N)), Mul(Div(1, 2), Pow(N, 2))), For(N, Infinity)), Div(6, Pow(Pi, 2)))))