Properties

Label 2-983-1.1-c1-0-49
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  − 0.930·2-s − 1.12·3-s − 1.13·4-s + 3.65·5-s + 1.05·6-s − 1.39·7-s + 2.91·8-s − 1.72·9-s − 3.40·10-s + 1.37·11-s + 1.27·12-s − 4.81·13-s + 1.29·14-s − 4.12·15-s − 0.446·16-s − 2.61·17-s + 1.60·18-s + 3.96·19-s − 4.14·20-s + 1.57·21-s − 1.28·22-s − 5.45·23-s − 3.29·24-s + 8.36·25-s + 4.48·26-s + 5.33·27-s + 1.58·28-s + ⋯
L(s)  = 1  − 0.658·2-s − 0.651·3-s − 0.566·4-s + 1.63·5-s + 0.428·6-s − 0.527·7-s + 1.03·8-s − 0.575·9-s − 1.07·10-s + 0.415·11-s + 0.369·12-s − 1.33·13-s + 0.346·14-s − 1.06·15-s − 0.111·16-s − 0.635·17-s + 0.378·18-s + 0.909·19-s − 0.926·20-s + 0.343·21-s − 0.273·22-s − 1.13·23-s − 0.671·24-s + 1.67·25-s + 0.879·26-s + 1.02·27-s + 0.298·28-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 \( 1 + 0.930T + 2T^{2} \)
3 \( 1 + 1.12T + 3T^{2} \)
5 \( 1 - 3.65T + 5T^{2} \)
7 \( 1 + 1.39T + 7T^{2} \)
11 \( 1 - 1.37T + 11T^{2} \)
13 \( 1 + 4.81T + 13T^{2} \)
17 \( 1 + 2.61T + 17T^{2} \)
19 \( 1 - 3.96T + 19T^{2} \)
23 \( 1 + 5.45T + 23T^{2} \)
29 \( 1 + 0.992T + 29T^{2} \)
31 \( 1 - 1.16T + 31T^{2} \)
37 \( 1 + 0.503T + 37T^{2} \)
41 \( 1 + 2.17T + 41T^{2} \)
43 \( 1 - 5.94T + 43T^{2} \)
47 \( 1 + 5.66T + 47T^{2} \)
53 \( 1 + 7.42T + 53T^{2} \)
59 \( 1 + 5.25T + 59T^{2} \)
61 \( 1 + 3.98T + 61T^{2} \)
67 \( 1 + 15.3T + 67T^{2} \)
71 \( 1 - 7.91T + 71T^{2} \)
73 \( 1 + 3.17T + 73T^{2} \)
79 \( 1 + 7.26T + 79T^{2} \)
83 \( 1 + 5.01T + 83T^{2} \)
89 \( 1 - 0.319T + 89T^{2} \)
97 \( 1 + 9.75T + 97T^{2} \)
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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

−9.569535682821969279214726691718, −9.150424665708998282257753995336, −8.054161932136710873818241938068, −6.93187015518367451548883890480, −6.07708820474381304907643272113, −5.36912939213684750867251699634, −4.53756956916276242185705026182, −2.86367399454981220055110092698, −1.62303028437897114600149837511, 0, 1.62303028437897114600149837511, 2.86367399454981220055110092698, 4.53756956916276242185705026182, 5.36912939213684750867251699634, 6.07708820474381304907643272113, 6.93187015518367451548883890480, 8.054161932136710873818241938068, 9.150424665708998282257753995336, 9.569535682821969279214726691718

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