Properties

Label 2-7942-1.1-c1-0-172
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s − 1.97·3-s + 4-s + 2.94·5-s + 1.97·6-s − 0.656·7-s − 8-s + 0.915·9-s − 2.94·10-s + 11-s − 1.97·12-s − 0.457·13-s + 0.656·14-s − 5.83·15-s + 16-s + 1.53·17-s − 0.915·18-s + 2.94·20-s + 1.30·21-s − 22-s + 3.48·23-s + 1.97·24-s + 3.68·25-s + 0.457·26-s + 4.12·27-s − 0.656·28-s − 4.19·29-s + ⋯
L(s)  = 1  − 0.707·2-s − 1.14·3-s + 0.5·4-s + 1.31·5-s + 0.807·6-s − 0.248·7-s − 0.353·8-s + 0.305·9-s − 0.931·10-s + 0.301·11-s − 0.571·12-s − 0.126·13-s + 0.175·14-s − 1.50·15-s + 0.250·16-s + 0.372·17-s − 0.215·18-s + 0.658·20-s + 0.283·21-s − 0.213·22-s + 0.726·23-s + 0.403·24-s + 0.736·25-s + 0.0896·26-s + 0.793·27-s − 0.124·28-s − 0.778·29-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: \(1\)
Selberg data: \((2,\ 7942,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.97T + 3T^{2} \)
5 \( 1 - 2.94T + 5T^{2} \)
7 \( 1 + 0.656T + 7T^{2} \)
13 \( 1 + 0.457T + 13T^{2} \)
17 \( 1 - 1.53T + 17T^{2} \)
23 \( 1 - 3.48T + 23T^{2} \)
29 \( 1 + 4.19T + 29T^{2} \)
31 \( 1 + 8.04T + 31T^{2} \)
37 \( 1 + 0.651T + 37T^{2} \)
41 \( 1 + 5.02T + 41T^{2} \)
43 \( 1 + 2.03T + 43T^{2} \)
47 \( 1 - 3.32T + 47T^{2} \)
53 \( 1 - 1.42T + 53T^{2} \)
59 \( 1 - 9.05T + 59T^{2} \)
61 \( 1 - 5.52T + 61T^{2} \)
67 \( 1 - 7.85T + 67T^{2} \)
71 \( 1 - 12.8T + 71T^{2} \)
73 \( 1 + 16.0T + 73T^{2} \)
79 \( 1 + 13.0T + 79T^{2} \)
83 \( 1 + 1.21T + 83T^{2} \)
89 \( 1 - 1.39T + 89T^{2} \)
97 \( 1 - 1.04T + 97T^{2} \)
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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

−7.24284408800072043811516968623, −6.75822656837895857089195406521, −6.13534289838591397213196295049, −5.42268390600607130181743986431, −5.21222741093111166066064759142, −3.88943093819181420207570564336, −2.88383461946020953760678378269, −1.94298194622249257017862126524, −1.16075475652675153820530839515, 0, 1.16075475652675153820530839515, 1.94298194622249257017862126524, 2.88383461946020953760678378269, 3.88943093819181420207570564336, 5.21222741093111166066064759142, 5.42268390600607130181743986431, 6.13534289838591397213196295049, 6.75822656837895857089195406521, 7.24284408800072043811516968623

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