Properties

Label 2-7942-1.1-c1-0-37
Degree $2$
Conductor $7942$
Sign $1$
Analytic cond. $63.4171$
Root an. cond. $7.96349$
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 − 3.14·3-s + 4-s + 4.25·5-s + 3.14·6-s − 0.789·7-s − 8-s + 6.86·9-s − 4.25·10-s − 11-s − 3.14·12-s + 2.86·13-s + 0.789·14-s − 13.3·15-s + 16-s − 4.87·17-s − 6.86·18-s + 4.25·20-s + 2.47·21-s + 22-s − 3.00·23-s + 3.14·24-s + 13.0·25-s − 2.86·26-s − 12.1·27-s − 0.789·28-s − 6.79·29-s + ⋯
L(s)  = 1  − 0.707·2-s − 1.81·3-s + 0.5·4-s + 1.90·5-s + 1.28·6-s − 0.298·7-s − 0.353·8-s + 2.28·9-s − 1.34·10-s − 0.301·11-s − 0.906·12-s + 0.794·13-s + 0.210·14-s − 3.44·15-s + 0.250·16-s − 1.18·17-s − 1.61·18-s + 0.951·20-s + 0.540·21-s + 0.213·22-s − 0.626·23-s + 0.641·24-s + 2.61·25-s − 0.561·26-s − 2.33·27-s − 0.149·28-s − 1.26·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7942 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7942 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7942\)    =    \(2 \cdot 11 \cdot 19^{2}\)
Sign: $1$
Analytic conductor: \(63.4171\)
Root analytic conductor: \(7.96349\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7942,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.8188819397\)
\(L(\frac12)\) \(\approx\) \(0.8188819397\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
11 \( 1 + T \)
19 \( 1 \)
good3 \( 1 + 3.14T + 3T^{2} \)
5 \( 1 - 4.25T + 5T^{2} \)
7 \( 1 + 0.789T + 7T^{2} \)
13 \( 1 - 2.86T + 13T^{2} \)
17 \( 1 + 4.87T + 17T^{2} \)
23 \( 1 + 3.00T + 23T^{2} \)
29 \( 1 + 6.79T + 29T^{2} \)
31 \( 1 + 10.2T + 31T^{2} \)
37 \( 1 - 0.927T + 37T^{2} \)
41 \( 1 - 0.0787T + 41T^{2} \)
43 \( 1 + 4.27T + 43T^{2} \)
47 \( 1 - 1.10T + 47T^{2} \)
53 \( 1 - 1.13T + 53T^{2} \)
59 \( 1 + 2.50T + 59T^{2} \)
61 \( 1 + 7.07T + 61T^{2} \)
67 \( 1 - 0.0387T + 67T^{2} \)
71 \( 1 - 14.8T + 71T^{2} \)
73 \( 1 - 9.08T + 73T^{2} \)
79 \( 1 - 1.40T + 79T^{2} \)
83 \( 1 - 11.0T + 83T^{2} \)
89 \( 1 - 0.532T + 89T^{2} \)
97 \( 1 - 11.9T + 97T^{2} \)
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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

−7.65213582155351393843845451286, −6.74450357131049643565887229828, −6.47087158225982660134182386435, −5.79505650761985050421250646822, −5.44887056516418223090616499977, −4.65849620764950555311666894725, −3.50567311785241723492275879703, −2.05057034475861913444682269827, −1.72306360333362156119760986899, −0.54889711795508969799713204302, 0.54889711795508969799713204302, 1.72306360333362156119760986899, 2.05057034475861913444682269827, 3.50567311785241723492275879703, 4.65849620764950555311666894725, 5.44887056516418223090616499977, 5.79505650761985050421250646822, 6.47087158225982660134182386435, 6.74450357131049643565887229828, 7.65213582155351393843845451286

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