Properties

Label 2-983-1.1-c1-0-78
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  + 1.12·2-s + 2.02·3-s − 0.732·4-s − 3.34·5-s + 2.27·6-s + 0.00528·7-s − 3.07·8-s + 1.08·9-s − 3.76·10-s + 1.36·11-s − 1.48·12-s − 2.90·13-s + 0.00595·14-s − 6.75·15-s − 1.99·16-s − 5.62·17-s + 1.22·18-s − 5.10·19-s + 2.44·20-s + 0.0106·21-s + 1.53·22-s + 0.143·23-s − 6.21·24-s + 6.16·25-s − 3.26·26-s − 3.87·27-s − 0.00387·28-s + ⋯
L(s)  = 1  + 0.795·2-s + 1.16·3-s − 0.366·4-s − 1.49·5-s + 0.928·6-s + 0.00199·7-s − 1.08·8-s + 0.361·9-s − 1.18·10-s + 0.410·11-s − 0.427·12-s − 0.804·13-s + 0.00159·14-s − 1.74·15-s − 0.499·16-s − 1.36·17-s + 0.287·18-s − 1.17·19-s + 0.547·20-s + 0.00233·21-s + 0.326·22-s + 0.0299·23-s − 1.26·24-s + 1.23·25-s − 0.640·26-s − 0.744·27-s − 0.000732·28-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 \( 1 - 1.12T + 2T^{2} \)
3 \( 1 - 2.02T + 3T^{2} \)
5 \( 1 + 3.34T + 5T^{2} \)
7 \( 1 - 0.00528T + 7T^{2} \)
11 \( 1 - 1.36T + 11T^{2} \)
13 \( 1 + 2.90T + 13T^{2} \)
17 \( 1 + 5.62T + 17T^{2} \)
19 \( 1 + 5.10T + 19T^{2} \)
23 \( 1 - 0.143T + 23T^{2} \)
29 \( 1 - 2.35T + 29T^{2} \)
31 \( 1 - 5.50T + 31T^{2} \)
37 \( 1 + 9.51T + 37T^{2} \)
41 \( 1 - 6.91T + 41T^{2} \)
43 \( 1 - 8.47T + 43T^{2} \)
47 \( 1 - 5.99T + 47T^{2} \)
53 \( 1 + 3.64T + 53T^{2} \)
59 \( 1 + 9.68T + 59T^{2} \)
61 \( 1 - 9.18T + 61T^{2} \)
67 \( 1 + 11.9T + 67T^{2} \)
71 \( 1 + 8.61T + 71T^{2} \)
73 \( 1 + 12.1T + 73T^{2} \)
79 \( 1 + 1.52T + 79T^{2} \)
83 \( 1 - 2.65T + 83T^{2} \)
89 \( 1 - 10.9T + 89T^{2} \)
97 \( 1 + 5.37T + 97T^{2} \)
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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

−9.139383169423905178090803927024, −8.786240865425189271866950450896, −8.029589842418431565489190996578, −7.18086697630280526589559993801, −6.14497579904296210761842539560, −4.60048867044085602018335453236, −4.26874513008043591310978174847, −3.34185055551209971507124731758, −2.45279205971243211625320334304, 0, 2.45279205971243211625320334304, 3.34185055551209971507124731758, 4.26874513008043591310978174847, 4.60048867044085602018335453236, 6.14497579904296210761842539560, 7.18086697630280526589559993801, 8.029589842418431565489190996578, 8.786240865425189271866950450896, 9.139383169423905178090803927024

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