Properties

Label 2-983-1.1-c1-0-33
Degree $2$
Conductor $983$
Sign $-1$
Analytic cond. $7.84929$
Root an. cond. $2.80165$
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  − 1.85·2-s − 0.818·3-s + 1.42·4-s − 3.13·5-s + 1.51·6-s + 0.698·7-s + 1.05·8-s − 2.32·9-s + 5.80·10-s + 2.95·11-s − 1.16·12-s − 1.57·13-s − 1.29·14-s + 2.56·15-s − 4.81·16-s + 5.00·17-s + 4.31·18-s − 1.21·19-s − 4.47·20-s − 0.571·21-s − 5.46·22-s + 2.21·23-s − 0.866·24-s + 4.83·25-s + 2.90·26-s + 4.36·27-s + 0.997·28-s + ⋯
L(s)  = 1  − 1.30·2-s − 0.472·3-s + 0.714·4-s − 1.40·5-s + 0.618·6-s + 0.263·7-s + 0.374·8-s − 0.776·9-s + 1.83·10-s + 0.890·11-s − 0.337·12-s − 0.435·13-s − 0.345·14-s + 0.662·15-s − 1.20·16-s + 1.21·17-s + 1.01·18-s − 0.279·19-s − 1.00·20-s − 0.124·21-s − 1.16·22-s + 0.461·23-s − 0.176·24-s + 0.966·25-s + 0.570·26-s + 0.839·27-s + 0.188·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 983 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 983 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(983\)
Sign: $-1$
Analytic conductor: \(7.84929\)
Root analytic conductor: \(2.80165\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 983,\ (\ :1/2),\ -1)\)

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)$
bad983 \( 1 + T \)
good2 \( 1 + 1.85T + 2T^{2} \)
3 \( 1 + 0.818T + 3T^{2} \)
5 \( 1 + 3.13T + 5T^{2} \)
7 \( 1 - 0.698T + 7T^{2} \)
11 \( 1 - 2.95T + 11T^{2} \)
13 \( 1 + 1.57T + 13T^{2} \)
17 \( 1 - 5.00T + 17T^{2} \)
19 \( 1 + 1.21T + 19T^{2} \)
23 \( 1 - 2.21T + 23T^{2} \)
29 \( 1 - 4.13T + 29T^{2} \)
31 \( 1 - 2.78T + 31T^{2} \)
37 \( 1 - 0.732T + 37T^{2} \)
41 \( 1 + 1.10T + 41T^{2} \)
43 \( 1 + 8.99T + 43T^{2} \)
47 \( 1 + 7.90T + 47T^{2} \)
53 \( 1 - 6.32T + 53T^{2} \)
59 \( 1 - 1.07T + 59T^{2} \)
61 \( 1 - 8.21T + 61T^{2} \)
67 \( 1 + 8.16T + 67T^{2} \)
71 \( 1 + 8.90T + 71T^{2} \)
73 \( 1 + 5.04T + 73T^{2} \)
79 \( 1 + 8.04T + 79T^{2} \)
83 \( 1 - 0.755T + 83T^{2} \)
89 \( 1 - 5.38T + 89T^{2} \)
97 \( 1 + 10.1T + 97T^{2} \)
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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

−9.555382380433299157227877507493, −8.467148810556276686342244528488, −8.232066266245493050128046283533, −7.29154300860625385505733209361, −6.53036829113610864005903757745, −5.16846245231712888252888074280, −4.24048457986244448973155389486, −3.05465263037102490759999482932, −1.23431007165126118625057225089, 0, 1.23431007165126118625057225089, 3.05465263037102490759999482932, 4.24048457986244448973155389486, 5.16846245231712888252888074280, 6.53036829113610864005903757745, 7.29154300860625385505733209361, 8.232066266245493050128046283533, 8.467148810556276686342244528488, 9.555382380433299157227877507493

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