Properties

Label 2-983-1.1-c1-0-4
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  − 0.722·2-s + 0.308·3-s − 1.47·4-s − 3.27·5-s − 0.223·6-s − 2.68·7-s + 2.51·8-s − 2.90·9-s + 2.36·10-s − 3.07·11-s − 0.456·12-s + 6.97·13-s + 1.93·14-s − 1.01·15-s + 1.13·16-s − 5.53·17-s + 2.09·18-s − 5.10·19-s + 4.84·20-s − 0.828·21-s + 2.22·22-s − 7.75·23-s + 0.776·24-s + 5.74·25-s − 5.04·26-s − 1.82·27-s + 3.96·28-s + ⋯
L(s)  = 1  − 0.511·2-s + 0.178·3-s − 0.738·4-s − 1.46·5-s − 0.0911·6-s − 1.01·7-s + 0.888·8-s − 0.968·9-s + 0.749·10-s − 0.926·11-s − 0.131·12-s + 1.93·13-s + 0.517·14-s − 0.261·15-s + 0.284·16-s − 1.34·17-s + 0.494·18-s − 1.17·19-s + 1.08·20-s − 0.180·21-s + 0.473·22-s − 1.61·23-s + 0.158·24-s + 1.14·25-s − 0.988·26-s − 0.351·27-s + 0.748·28-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

\(L(1)\) \(\approx\) \(0.3336619103\)
\(L(\frac12)\) \(\approx\) \(0.3336619103\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.722T + 2T^{2} \)
3 \( 1 - 0.308T + 3T^{2} \)
5 \( 1 + 3.27T + 5T^{2} \)
7 \( 1 + 2.68T + 7T^{2} \)
11 \( 1 + 3.07T + 11T^{2} \)
13 \( 1 - 6.97T + 13T^{2} \)
17 \( 1 + 5.53T + 17T^{2} \)
19 \( 1 + 5.10T + 19T^{2} \)
23 \( 1 + 7.75T + 23T^{2} \)
29 \( 1 - 10.0T + 29T^{2} \)
31 \( 1 + 0.232T + 31T^{2} \)
37 \( 1 - 9.95T + 37T^{2} \)
41 \( 1 - 1.68T + 41T^{2} \)
43 \( 1 - 1.96T + 43T^{2} \)
47 \( 1 - 2.41T + 47T^{2} \)
53 \( 1 - 4.21T + 53T^{2} \)
59 \( 1 - 8.29T + 59T^{2} \)
61 \( 1 - 11.6T + 61T^{2} \)
67 \( 1 + 3.60T + 67T^{2} \)
71 \( 1 + 9.33T + 71T^{2} \)
73 \( 1 - 2.36T + 73T^{2} \)
79 \( 1 + 4.89T + 79T^{2} \)
83 \( 1 - 1.83T + 83T^{2} \)
89 \( 1 + 7.99T + 89T^{2} \)
97 \( 1 + 14.4T + 97T^{2} \)
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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

−9.981650504412831443542043394458, −8.787647688228485972774081099813, −8.419126764316037878394639011438, −7.959512438620756260301129271253, −6.64217162511663717767843359298, −5.83547942169730984051803962976, −4.30929910339903201162988239955, −3.88685623486095593270522163237, −2.69271082599046078069151340886, −0.46100811994926618251180689009, 0.46100811994926618251180689009, 2.69271082599046078069151340886, 3.88685623486095593270522163237, 4.30929910339903201162988239955, 5.83547942169730984051803962976, 6.64217162511663717767843359298, 7.959512438620756260301129271253, 8.419126764316037878394639011438, 8.787647688228485972774081099813, 9.981650504412831443542043394458

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