Properties

Label 2-983-1.1-c1-0-52
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  − 0.875·2-s + 0.413·3-s − 1.23·4-s + 0.141·5-s − 0.361·6-s − 0.646·7-s + 2.83·8-s − 2.82·9-s − 0.123·10-s − 0.501·11-s − 0.509·12-s + 1.72·13-s + 0.566·14-s + 0.0582·15-s − 0.0105·16-s + 4.80·17-s + 2.47·18-s + 3.13·19-s − 0.174·20-s − 0.267·21-s + 0.438·22-s − 4.27·23-s + 1.16·24-s − 4.98·25-s − 1.50·26-s − 2.40·27-s + 0.797·28-s + ⋯
L(s)  = 1  − 0.618·2-s + 0.238·3-s − 0.616·4-s + 0.0630·5-s − 0.147·6-s − 0.244·7-s + 1.00·8-s − 0.943·9-s − 0.0390·10-s − 0.151·11-s − 0.147·12-s + 0.477·13-s + 0.151·14-s + 0.0150·15-s − 0.00263·16-s + 1.16·17-s + 0.583·18-s + 0.718·19-s − 0.0389·20-s − 0.0583·21-s + 0.0935·22-s − 0.891·23-s + 0.238·24-s − 0.996·25-s − 0.295·26-s − 0.463·27-s + 0.150·28-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 \( 1 + 0.875T + 2T^{2} \)
3 \( 1 - 0.413T + 3T^{2} \)
5 \( 1 - 0.141T + 5T^{2} \)
7 \( 1 + 0.646T + 7T^{2} \)
11 \( 1 + 0.501T + 11T^{2} \)
13 \( 1 - 1.72T + 13T^{2} \)
17 \( 1 - 4.80T + 17T^{2} \)
19 \( 1 - 3.13T + 19T^{2} \)
23 \( 1 + 4.27T + 23T^{2} \)
29 \( 1 + 10.1T + 29T^{2} \)
31 \( 1 + 4.85T + 31T^{2} \)
37 \( 1 - 1.57T + 37T^{2} \)
41 \( 1 - 2.34T + 41T^{2} \)
43 \( 1 + 3.02T + 43T^{2} \)
47 \( 1 - 9.52T + 47T^{2} \)
53 \( 1 + 1.35T + 53T^{2} \)
59 \( 1 + 12.9T + 59T^{2} \)
61 \( 1 + 3.19T + 61T^{2} \)
67 \( 1 + 3.20T + 67T^{2} \)
71 \( 1 + 8.67T + 71T^{2} \)
73 \( 1 + 9.90T + 73T^{2} \)
79 \( 1 - 3.51T + 79T^{2} \)
83 \( 1 + 0.509T + 83T^{2} \)
89 \( 1 + 14.3T + 89T^{2} \)
97 \( 1 - 5.28T + 97T^{2} \)
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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

−9.430496688305555763055677498550, −8.924463510990756726005034164868, −7.85228126142684144472542870737, −7.57293664274347001908861198381, −5.92666278237194890974458213616, −5.44224650013328968106128387442, −4.04775187976541194393560627894, −3.20890734454257972765970307856, −1.65480008594678269563427715231, 0, 1.65480008594678269563427715231, 3.20890734454257972765970307856, 4.04775187976541194393560627894, 5.44224650013328968106128387442, 5.92666278237194890974458213616, 7.57293664274347001908861198381, 7.85228126142684144472542870737, 8.924463510990756726005034164868, 9.430496688305555763055677498550

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