Properties

Label 2-983-1.1-c1-0-30
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  + 1.24·2-s − 0.282·3-s − 0.456·4-s + 1.68·5-s − 0.350·6-s + 0.816·7-s − 3.05·8-s − 2.92·9-s + 2.09·10-s + 4.34·11-s + 0.128·12-s − 0.194·13-s + 1.01·14-s − 0.475·15-s − 2.87·16-s + 8.01·17-s − 3.62·18-s + 4.57·19-s − 0.769·20-s − 0.230·21-s + 5.40·22-s + 5.27·23-s + 0.860·24-s − 2.15·25-s − 0.241·26-s + 1.67·27-s − 0.372·28-s + ⋯
L(s)  = 1  + 0.878·2-s − 0.162·3-s − 0.228·4-s + 0.753·5-s − 0.143·6-s + 0.308·7-s − 1.07·8-s − 0.973·9-s + 0.662·10-s + 1.31·11-s + 0.0371·12-s − 0.0539·13-s + 0.271·14-s − 0.122·15-s − 0.719·16-s + 1.94·17-s − 0.855·18-s + 1.04·19-s − 0.171·20-s − 0.0502·21-s + 1.15·22-s + 1.09·23-s + 0.175·24-s − 0.431·25-s − 0.0473·26-s + 0.321·27-s − 0.0703·28-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

\(L(1)\) \(\approx\) \(2.447504088\)
\(L(\frac12)\) \(\approx\) \(2.447504088\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.24T + 2T^{2} \)
3 \( 1 + 0.282T + 3T^{2} \)
5 \( 1 - 1.68T + 5T^{2} \)
7 \( 1 - 0.816T + 7T^{2} \)
11 \( 1 - 4.34T + 11T^{2} \)
13 \( 1 + 0.194T + 13T^{2} \)
17 \( 1 - 8.01T + 17T^{2} \)
19 \( 1 - 4.57T + 19T^{2} \)
23 \( 1 - 5.27T + 23T^{2} \)
29 \( 1 + 2.24T + 29T^{2} \)
31 \( 1 - 0.0347T + 31T^{2} \)
37 \( 1 + 0.365T + 37T^{2} \)
41 \( 1 - 8.92T + 41T^{2} \)
43 \( 1 + 1.84T + 43T^{2} \)
47 \( 1 - 5.33T + 47T^{2} \)
53 \( 1 + 8.80T + 53T^{2} \)
59 \( 1 - 0.487T + 59T^{2} \)
61 \( 1 - 4.72T + 61T^{2} \)
67 \( 1 + 10.1T + 67T^{2} \)
71 \( 1 - 4.55T + 71T^{2} \)
73 \( 1 - 0.550T + 73T^{2} \)
79 \( 1 + 14.7T + 79T^{2} \)
83 \( 1 + 1.31T + 83T^{2} \)
89 \( 1 + 2.92T + 89T^{2} \)
97 \( 1 - 7.05T + 97T^{2} \)
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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

−9.713707927343915216090958978413, −9.375367327295161097791720772940, −8.439909907875675438733298105496, −7.35042300481476939401201421166, −6.10535298640512714976655957394, −5.66418975365557481922508188083, −4.90562599962991481274150885673, −3.68469447828171663047595267811, −2.90548166630611780393694547630, −1.20723396337655314864028270521, 1.20723396337655314864028270521, 2.90548166630611780393694547630, 3.68469447828171663047595267811, 4.90562599962991481274150885673, 5.66418975365557481922508188083, 6.10535298640512714976655957394, 7.35042300481476939401201421166, 8.439909907875675438733298105496, 9.375367327295161097791720772940, 9.713707927343915216090958978413

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