Properties

Label 2-983-1.1-c1-0-68
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  − 1.91·2-s + 1.82·3-s + 1.66·4-s + 2.84·5-s − 3.49·6-s − 3.81·7-s + 0.641·8-s + 0.330·9-s − 5.43·10-s − 2.90·11-s + 3.03·12-s + 0.331·13-s + 7.31·14-s + 5.18·15-s − 4.55·16-s − 6.31·17-s − 0.632·18-s + 0.291·19-s + 4.72·20-s − 6.97·21-s + 5.56·22-s − 7.19·23-s + 1.17·24-s + 3.06·25-s − 0.633·26-s − 4.87·27-s − 6.36·28-s + ⋯
L(s)  = 1  − 1.35·2-s + 1.05·3-s + 0.832·4-s + 1.27·5-s − 1.42·6-s − 1.44·7-s + 0.226·8-s + 0.110·9-s − 1.71·10-s − 0.875·11-s + 0.877·12-s + 0.0918·13-s + 1.95·14-s + 1.33·15-s − 1.13·16-s − 1.53·17-s − 0.148·18-s + 0.0667·19-s + 1.05·20-s − 1.52·21-s + 1.18·22-s − 1.50·23-s + 0.238·24-s + 0.613·25-s − 0.124·26-s − 0.937·27-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: \(1\)
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 \( 1 + 1.91T + 2T^{2} \)
3 \( 1 - 1.82T + 3T^{2} \)
5 \( 1 - 2.84T + 5T^{2} \)
7 \( 1 + 3.81T + 7T^{2} \)
11 \( 1 + 2.90T + 11T^{2} \)
13 \( 1 - 0.331T + 13T^{2} \)
17 \( 1 + 6.31T + 17T^{2} \)
19 \( 1 - 0.291T + 19T^{2} \)
23 \( 1 + 7.19T + 23T^{2} \)
29 \( 1 + 5.72T + 29T^{2} \)
31 \( 1 - 7.82T + 31T^{2} \)
37 \( 1 + 10.9T + 37T^{2} \)
41 \( 1 + 1.90T + 41T^{2} \)
43 \( 1 + 4.31T + 43T^{2} \)
47 \( 1 - 6.95T + 47T^{2} \)
53 \( 1 - 11.9T + 53T^{2} \)
59 \( 1 - 14.1T + 59T^{2} \)
61 \( 1 - 3.94T + 61T^{2} \)
67 \( 1 - 9.70T + 67T^{2} \)
71 \( 1 + 10.4T + 71T^{2} \)
73 \( 1 + 16.6T + 73T^{2} \)
79 \( 1 - 2.17T + 79T^{2} \)
83 \( 1 - 17.4T + 83T^{2} \)
89 \( 1 - 0.154T + 89T^{2} \)
97 \( 1 - 3.35T + 97T^{2} \)
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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

−9.544252305732555873675738860728, −8.817343114885735874368601859631, −8.348996701608395918726332612129, −7.22429879166440666866012179804, −6.46056744351848150030048867871, −5.49880784169532122120632854685, −3.88964430410527708297190621787, −2.56424176226965894608361447633, −2.04144860628231338887918786217, 0, 2.04144860628231338887918786217, 2.56424176226965894608361447633, 3.88964430410527708297190621787, 5.49880784169532122120632854685, 6.46056744351848150030048867871, 7.22429879166440666866012179804, 8.348996701608395918726332612129, 8.817343114885735874368601859631, 9.544252305732555873675738860728

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