Properties

Label 2-983-1.1-c1-0-40
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  − 2.42·2-s − 0.187·3-s + 3.85·4-s − 0.842·5-s + 0.453·6-s − 4.42·7-s − 4.49·8-s − 2.96·9-s + 2.03·10-s + 3.24·11-s − 0.723·12-s + 5.55·13-s + 10.7·14-s + 0.158·15-s + 3.16·16-s + 4.25·17-s + 7.17·18-s + 3.08·19-s − 3.25·20-s + 0.830·21-s − 7.85·22-s − 3.57·23-s + 0.843·24-s − 4.29·25-s − 13.4·26-s + 1.11·27-s − 17.0·28-s + ⋯
L(s)  = 1  − 1.71·2-s − 0.108·3-s + 1.92·4-s − 0.376·5-s + 0.185·6-s − 1.67·7-s − 1.58·8-s − 0.988·9-s + 0.644·10-s + 0.978·11-s − 0.208·12-s + 1.54·13-s + 2.86·14-s + 0.0407·15-s + 0.792·16-s + 1.03·17-s + 1.69·18-s + 0.708·19-s − 0.726·20-s + 0.181·21-s − 1.67·22-s − 0.745·23-s + 0.172·24-s − 0.858·25-s − 2.63·26-s + 0.215·27-s − 3.22·28-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 \( 1 + 2.42T + 2T^{2} \)
3 \( 1 + 0.187T + 3T^{2} \)
5 \( 1 + 0.842T + 5T^{2} \)
7 \( 1 + 4.42T + 7T^{2} \)
11 \( 1 - 3.24T + 11T^{2} \)
13 \( 1 - 5.55T + 13T^{2} \)
17 \( 1 - 4.25T + 17T^{2} \)
19 \( 1 - 3.08T + 19T^{2} \)
23 \( 1 + 3.57T + 23T^{2} \)
29 \( 1 - 6.29T + 29T^{2} \)
31 \( 1 + 1.87T + 31T^{2} \)
37 \( 1 + 9.28T + 37T^{2} \)
41 \( 1 + 6.75T + 41T^{2} \)
43 \( 1 - 1.44T + 43T^{2} \)
47 \( 1 - 6.92T + 47T^{2} \)
53 \( 1 + 11.3T + 53T^{2} \)
59 \( 1 - 7.61T + 59T^{2} \)
61 \( 1 + 13.5T + 61T^{2} \)
67 \( 1 + 6.99T + 67T^{2} \)
71 \( 1 - 9.15T + 71T^{2} \)
73 \( 1 + 15.6T + 73T^{2} \)
79 \( 1 - 8.88T + 79T^{2} \)
83 \( 1 + 14.7T + 83T^{2} \)
89 \( 1 + 6.86T + 89T^{2} \)
97 \( 1 + 16.3T + 97T^{2} \)
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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

−9.507448362326818996624525867388, −8.808672111593595404287599978051, −8.213745584285848425170699318293, −7.18775644907446522717338230868, −6.35074680210883968594839372231, −5.83819239968968610111447039048, −3.71313002149082106637426219225, −3.03838736297990042158173599181, −1.32405510696882325003465100396, 0, 1.32405510696882325003465100396, 3.03838736297990042158173599181, 3.71313002149082106637426219225, 5.83819239968968610111447039048, 6.35074680210883968594839372231, 7.18775644907446522717338230868, 8.213745584285848425170699318293, 8.808672111593595404287599978051, 9.507448362326818996624525867388

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