Properties

Label 2-7938-1.1-c1-0-75
Degree $2$
Conductor $7938$
Sign $1$
Analytic cond. $63.3852$
Root an. cond. $7.96148$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s + 3.18·5-s − 8-s − 3.18·10-s + 3.18·11-s + 5.70·13-s + 16-s − 1.52·17-s − 1.28·19-s + 3.18·20-s − 3.18·22-s + 2.23·23-s + 5.12·25-s − 5.70·26-s + 7.08·29-s + 9.42·31-s − 32-s + 1.52·34-s − 37-s + 1.28·38-s − 3.18·40-s − 5.60·41-s − 6.82·43-s + 3.18·44-s − 2.23·46-s + 5.82·47-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.5·4-s + 1.42·5-s − 0.353·8-s − 1.00·10-s + 0.959·11-s + 1.58·13-s + 0.250·16-s − 0.369·17-s − 0.294·19-s + 0.711·20-s − 0.678·22-s + 0.466·23-s + 1.02·25-s − 1.11·26-s + 1.31·29-s + 1.69·31-s − 0.176·32-s + 0.260·34-s − 0.164·37-s + 0.208·38-s − 0.503·40-s − 0.875·41-s − 1.04·43-s + 0.479·44-s − 0.330·46-s + 0.850·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7938 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7938 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7938\)    =    \(2 \cdot 3^{4} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(63.3852\)
Root analytic conductor: \(7.96148\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7938,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.544765148\)
\(L(\frac12)\) \(\approx\) \(2.544765148\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
3 \( 1 \)
7 \( 1 \)
good5 \( 1 - 3.18T + 5T^{2} \)
11 \( 1 - 3.18T + 11T^{2} \)
13 \( 1 - 5.70T + 13T^{2} \)
17 \( 1 + 1.52T + 17T^{2} \)
19 \( 1 + 1.28T + 19T^{2} \)
23 \( 1 - 2.23T + 23T^{2} \)
29 \( 1 - 7.08T + 29T^{2} \)
31 \( 1 - 9.42T + 31T^{2} \)
37 \( 1 + T + 37T^{2} \)
41 \( 1 + 5.60T + 41T^{2} \)
43 \( 1 + 6.82T + 43T^{2} \)
47 \( 1 - 5.82T + 47T^{2} \)
53 \( 1 + 2.05T + 53T^{2} \)
59 \( 1 - 1.12T + 59T^{2} \)
61 \( 1 + 3.12T + 61T^{2} \)
67 \( 1 - 10.9T + 67T^{2} \)
71 \( 1 - 8.69T + 71T^{2} \)
73 \( 1 + 4.96T + 73T^{2} \)
79 \( 1 + 4.13T + 79T^{2} \)
83 \( 1 + 8.06T + 83T^{2} \)
89 \( 1 - 0.225T + 89T^{2} \)
97 \( 1 - 14.8T + 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−8.150585399182322877628598878246, −6.85808089071574479746370142896, −6.50033867703431824296173383936, −6.07093257871612512348995350859, −5.21224411151479728970855765734, −4.29043265427630852480668737222, −3.32639753910361093449396133760, −2.46917195123359133068308855800, −1.55419721632577126763383053459, −0.988273524171294378729254390610, 0.988273524171294378729254390610, 1.55419721632577126763383053459, 2.46917195123359133068308855800, 3.32639753910361093449396133760, 4.29043265427630852480668737222, 5.21224411151479728970855765734, 6.07093257871612512348995350859, 6.50033867703431824296173383936, 6.85808089071574479746370142896, 8.150585399182322877628598878246

Graph of the $Z$-function along the critical line