Properties

Label 2-983-1.1-c1-0-80
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  + 2.50·2-s − 1.04·3-s + 4.29·4-s − 2.58·5-s − 2.62·6-s − 2.53·7-s + 5.75·8-s − 1.90·9-s − 6.47·10-s − 5.05·11-s − 4.50·12-s − 1.86·13-s − 6.36·14-s + 2.70·15-s + 5.85·16-s + 5.69·17-s − 4.77·18-s − 1.68·19-s − 11.0·20-s + 2.65·21-s − 12.6·22-s − 0.00429·23-s − 6.03·24-s + 1.66·25-s − 4.66·26-s + 5.13·27-s − 10.8·28-s + ⋯
L(s)  = 1  + 1.77·2-s − 0.605·3-s + 2.14·4-s − 1.15·5-s − 1.07·6-s − 0.958·7-s + 2.03·8-s − 0.633·9-s − 2.04·10-s − 1.52·11-s − 1.29·12-s − 0.516·13-s − 1.69·14-s + 0.698·15-s + 1.46·16-s + 1.38·17-s − 1.12·18-s − 0.386·19-s − 2.47·20-s + 0.579·21-s − 2.70·22-s − 0.000895·23-s − 1.23·24-s + 0.333·25-s − 0.915·26-s + 0.988·27-s − 2.05·28-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 \( 1 - 2.50T + 2T^{2} \)
3 \( 1 + 1.04T + 3T^{2} \)
5 \( 1 + 2.58T + 5T^{2} \)
7 \( 1 + 2.53T + 7T^{2} \)
11 \( 1 + 5.05T + 11T^{2} \)
13 \( 1 + 1.86T + 13T^{2} \)
17 \( 1 - 5.69T + 17T^{2} \)
19 \( 1 + 1.68T + 19T^{2} \)
23 \( 1 + 0.00429T + 23T^{2} \)
29 \( 1 + 1.67T + 29T^{2} \)
31 \( 1 - 0.252T + 31T^{2} \)
37 \( 1 + 6.70T + 37T^{2} \)
41 \( 1 + 7.79T + 41T^{2} \)
43 \( 1 - 6.90T + 43T^{2} \)
47 \( 1 - 9.52T + 47T^{2} \)
53 \( 1 - 0.466T + 53T^{2} \)
59 \( 1 - 5.24T + 59T^{2} \)
61 \( 1 - 14.5T + 61T^{2} \)
67 \( 1 - 5.31T + 67T^{2} \)
71 \( 1 + 12.5T + 71T^{2} \)
73 \( 1 + 13.1T + 73T^{2} \)
79 \( 1 + 8.27T + 79T^{2} \)
83 \( 1 + 2.02T + 83T^{2} \)
89 \( 1 + 11.8T + 89T^{2} \)
97 \( 1 + 3.32T + 97T^{2} \)
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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

−10.05278824233117101933816670674, −8.444628407419057872110950368781, −7.50034392563152294746583734567, −6.84386556380672139782946945973, −5.63630995054824671839721349871, −5.39407947107423316165404174316, −4.24338343858899210664082496521, −3.32045493524723209064901450564, −2.65202796590368707623305271386, 0, 2.65202796590368707623305271386, 3.32045493524723209064901450564, 4.24338343858899210664082496521, 5.39407947107423316165404174316, 5.63630995054824671839721349871, 6.84386556380672139782946945973, 7.50034392563152294746583734567, 8.444628407419057872110950368781, 10.05278824233117101933816670674

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