Properties

Label 2-983-1.1-c1-0-21
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  − 1.70·2-s − 2.85·3-s + 0.921·4-s + 3.70·5-s + 4.87·6-s − 1.37·7-s + 1.84·8-s + 5.12·9-s − 6.33·10-s + 3.92·11-s − 2.62·12-s + 3.78·13-s + 2.34·14-s − 10.5·15-s − 4.99·16-s + 5.66·17-s − 8.75·18-s + 0.487·19-s + 3.41·20-s + 3.91·21-s − 6.71·22-s + 4.17·23-s − 5.25·24-s + 8.74·25-s − 6.47·26-s − 6.05·27-s − 1.26·28-s + ⋯
L(s)  = 1  − 1.20·2-s − 1.64·3-s + 0.460·4-s + 1.65·5-s + 1.98·6-s − 0.518·7-s + 0.651·8-s + 1.70·9-s − 2.00·10-s + 1.18·11-s − 0.758·12-s + 1.05·13-s + 0.627·14-s − 2.72·15-s − 1.24·16-s + 1.37·17-s − 2.06·18-s + 0.111·19-s + 0.763·20-s + 0.853·21-s − 1.43·22-s + 0.871·23-s − 1.07·24-s + 1.74·25-s − 1.27·26-s − 1.16·27-s − 0.239·28-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

\(L(1)\) \(\approx\) \(0.7105461370\)
\(L(\frac12)\) \(\approx\) \(0.7105461370\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.70T + 2T^{2} \)
3 \( 1 + 2.85T + 3T^{2} \)
5 \( 1 - 3.70T + 5T^{2} \)
7 \( 1 + 1.37T + 7T^{2} \)
11 \( 1 - 3.92T + 11T^{2} \)
13 \( 1 - 3.78T + 13T^{2} \)
17 \( 1 - 5.66T + 17T^{2} \)
19 \( 1 - 0.487T + 19T^{2} \)
23 \( 1 - 4.17T + 23T^{2} \)
29 \( 1 + 2.50T + 29T^{2} \)
31 \( 1 + 9.32T + 31T^{2} \)
37 \( 1 + 11.1T + 37T^{2} \)
41 \( 1 + 5.91T + 41T^{2} \)
43 \( 1 - 3.90T + 43T^{2} \)
47 \( 1 - 12.2T + 47T^{2} \)
53 \( 1 - 13.4T + 53T^{2} \)
59 \( 1 + 3.83T + 59T^{2} \)
61 \( 1 - 7.79T + 61T^{2} \)
67 \( 1 - 11.9T + 67T^{2} \)
71 \( 1 + 10.0T + 71T^{2} \)
73 \( 1 - 6.60T + 73T^{2} \)
79 \( 1 + 1.49T + 79T^{2} \)
83 \( 1 + 14.3T + 83T^{2} \)
89 \( 1 - 14.3T + 89T^{2} \)
97 \( 1 - 7.29T + 97T^{2} \)
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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

−10.07216800509709723827484188164, −9.292392976483061011782234138390, −8.785482070441260101647195739845, −7.16398870733952680802211470745, −6.65623442192612723017569268626, −5.71274346068698655529108924502, −5.30521435993619391085989366095, −3.76092635425799587779550149193, −1.68626792281569980646711754544, −0.957223885435891167557797151961, 0.957223885435891167557797151961, 1.68626792281569980646711754544, 3.76092635425799587779550149193, 5.30521435993619391085989366095, 5.71274346068698655529108924502, 6.65623442192612723017569268626, 7.16398870733952680802211470745, 8.785482070441260101647195739845, 9.292392976483061011782234138390, 10.07216800509709723827484188164

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