Properties

Label 2-983-1.1-c1-0-18
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.870·2-s − 2.53·3-s − 1.24·4-s + 1.03·5-s + 2.20·6-s + 5.14·7-s + 2.82·8-s + 3.43·9-s − 0.900·10-s + 4.42·11-s + 3.15·12-s − 6.28·13-s − 4.48·14-s − 2.62·15-s + 0.0296·16-s + 1.27·17-s − 2.98·18-s − 1.62·19-s − 1.28·20-s − 13.0·21-s − 3.84·22-s + 6.30·23-s − 7.15·24-s − 3.92·25-s + 5.46·26-s − 1.09·27-s − 6.39·28-s + ⋯
L(s)  = 1  − 0.615·2-s − 1.46·3-s − 0.621·4-s + 0.462·5-s + 0.901·6-s + 1.94·7-s + 0.997·8-s + 1.14·9-s − 0.284·10-s + 1.33·11-s + 0.909·12-s − 1.74·13-s − 1.19·14-s − 0.677·15-s + 0.00741·16-s + 0.309·17-s − 0.703·18-s − 0.373·19-s − 0.287·20-s − 2.84·21-s − 0.820·22-s + 1.31·23-s − 1.46·24-s − 0.785·25-s + 1.07·26-s − 0.210·27-s − 1.20·28-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: \(0\)
Selberg data: \((2,\ 983,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.8006849911\)
\(L(\frac12)\) \(\approx\) \(0.8006849911\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.870T + 2T^{2} \)
3 \( 1 + 2.53T + 3T^{2} \)
5 \( 1 - 1.03T + 5T^{2} \)
7 \( 1 - 5.14T + 7T^{2} \)
11 \( 1 - 4.42T + 11T^{2} \)
13 \( 1 + 6.28T + 13T^{2} \)
17 \( 1 - 1.27T + 17T^{2} \)
19 \( 1 + 1.62T + 19T^{2} \)
23 \( 1 - 6.30T + 23T^{2} \)
29 \( 1 + 0.236T + 29T^{2} \)
31 \( 1 - 0.563T + 31T^{2} \)
37 \( 1 - 7.81T + 37T^{2} \)
41 \( 1 + 2.30T + 41T^{2} \)
43 \( 1 + 9.06T + 43T^{2} \)
47 \( 1 + 1.64T + 47T^{2} \)
53 \( 1 - 4.58T + 53T^{2} \)
59 \( 1 + 12.3T + 59T^{2} \)
61 \( 1 - 12.7T + 61T^{2} \)
67 \( 1 - 1.88T + 67T^{2} \)
71 \( 1 - 14.7T + 71T^{2} \)
73 \( 1 - 5.62T + 73T^{2} \)
79 \( 1 - 3.10T + 79T^{2} \)
83 \( 1 - 2.05T + 83T^{2} \)
89 \( 1 + 13.7T + 89T^{2} \)
97 \( 1 - 15.7T + 97T^{2} \)
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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

−9.994058861785954114424736388364, −9.332427986175623256556359521918, −8.346670326390617025632767616795, −7.51532968918279574901036555252, −6.65173306454741360725912770177, −5.38096678347089700944644908995, −4.94747144774762142718624090643, −4.25198295570693165155377698307, −1.89177414741896318930004447820, −0.890038412149039410318342168695, 0.890038412149039410318342168695, 1.89177414741896318930004447820, 4.25198295570693165155377698307, 4.94747144774762142718624090643, 5.38096678347089700944644908995, 6.65173306454741360725912770177, 7.51532968918279574901036555252, 8.346670326390617025632767616795, 9.332427986175623256556359521918, 9.994058861785954114424736388364

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