Properties

Label 2-983-1.1-c1-0-70
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  + 1.30·2-s − 1.71·3-s − 0.296·4-s + 2.67·5-s − 2.24·6-s + 1.19·7-s − 2.99·8-s − 0.0520·9-s + 3.49·10-s − 3.99·11-s + 0.509·12-s − 5.32·13-s + 1.55·14-s − 4.59·15-s − 3.31·16-s + 1.44·17-s − 0.0678·18-s + 0.225·19-s − 0.794·20-s − 2.04·21-s − 5.21·22-s + 1.91·23-s + 5.14·24-s + 2.16·25-s − 6.94·26-s + 5.24·27-s − 0.353·28-s + ⋯
L(s)  = 1  + 0.922·2-s − 0.991·3-s − 0.148·4-s + 1.19·5-s − 0.914·6-s + 0.450·7-s − 1.05·8-s − 0.0173·9-s + 1.10·10-s − 1.20·11-s + 0.147·12-s − 1.47·13-s + 0.415·14-s − 1.18·15-s − 0.829·16-s + 0.349·17-s − 0.0159·18-s + 0.0516·19-s − 0.177·20-s − 0.446·21-s − 1.11·22-s + 0.399·23-s + 1.05·24-s + 0.433·25-s − 1.36·26-s + 1.00·27-s − 0.0668·28-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 \( 1 - 1.30T + 2T^{2} \)
3 \( 1 + 1.71T + 3T^{2} \)
5 \( 1 - 2.67T + 5T^{2} \)
7 \( 1 - 1.19T + 7T^{2} \)
11 \( 1 + 3.99T + 11T^{2} \)
13 \( 1 + 5.32T + 13T^{2} \)
17 \( 1 - 1.44T + 17T^{2} \)
19 \( 1 - 0.225T + 19T^{2} \)
23 \( 1 - 1.91T + 23T^{2} \)
29 \( 1 + 7.90T + 29T^{2} \)
31 \( 1 + 0.155T + 31T^{2} \)
37 \( 1 + 2.55T + 37T^{2} \)
41 \( 1 + 10.3T + 41T^{2} \)
43 \( 1 + 1.40T + 43T^{2} \)
47 \( 1 + 7.63T + 47T^{2} \)
53 \( 1 - 10.9T + 53T^{2} \)
59 \( 1 + 3.42T + 59T^{2} \)
61 \( 1 + 8.98T + 61T^{2} \)
67 \( 1 - 6.23T + 67T^{2} \)
71 \( 1 - 0.117T + 71T^{2} \)
73 \( 1 + 5.48T + 73T^{2} \)
79 \( 1 - 5.03T + 79T^{2} \)
83 \( 1 - 3.96T + 83T^{2} \)
89 \( 1 - 8.61T + 89T^{2} \)
97 \( 1 + 10.8T + 97T^{2} \)
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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

−9.824591676285854309358317876997, −8.896635175249430756693475133466, −7.75110134748855051033377908742, −6.65159334344276775887546965868, −5.70073626250434910505505416931, −5.21071414639228158053325365478, −4.81085807860940694056850313931, −3.17828426164196721303691706395, −2.09290204262615585234390924091, 0, 2.09290204262615585234390924091, 3.17828426164196721303691706395, 4.81085807860940694056850313931, 5.21071414639228158053325365478, 5.70073626250434910505505416931, 6.65159334344276775887546965868, 7.75110134748855051033377908742, 8.896635175249430756693475133466, 9.824591676285854309358317876997

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