Properties

Label 2-2009-1.1-c1-0-9
Degree $2$
Conductor $2009$
Sign $1$
Analytic cond. $16.0419$
Root an. cond. $4.00523$
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  − 2.05·2-s + 1.62·3-s + 2.20·4-s − 4.18·5-s − 3.34·6-s − 0.421·8-s − 0.345·9-s + 8.57·10-s − 3.88·11-s + 3.59·12-s − 2.89·13-s − 6.81·15-s − 3.54·16-s − 2.83·17-s + 0.707·18-s − 5.96·19-s − 9.21·20-s + 7.96·22-s + 2.37·23-s − 0.686·24-s + 12.4·25-s + 5.94·26-s − 5.45·27-s − 5.37·29-s + 13.9·30-s + 3.48·31-s + 8.11·32-s + ⋯
L(s)  = 1  − 1.45·2-s + 0.940·3-s + 1.10·4-s − 1.86·5-s − 1.36·6-s − 0.148·8-s − 0.115·9-s + 2.71·10-s − 1.17·11-s + 1.03·12-s − 0.804·13-s − 1.75·15-s − 0.886·16-s − 0.687·17-s + 0.166·18-s − 1.36·19-s − 2.06·20-s + 1.69·22-s + 0.494·23-s − 0.140·24-s + 2.49·25-s + 1.16·26-s − 1.04·27-s − 0.997·29-s + 2.55·30-s + 0.626·31-s + 1.43·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2009 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2009 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2009\)    =    \(7^{2} \cdot 41\)
Sign: $1$
Analytic conductor: \(16.0419\)
Root analytic conductor: \(4.00523\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2009,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.2850904995\)
\(L(\frac12)\) \(\approx\) \(0.2850904995\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
41 \( 1 + T \)
good2 \( 1 + 2.05T + 2T^{2} \)
3 \( 1 - 1.62T + 3T^{2} \)
5 \( 1 + 4.18T + 5T^{2} \)
11 \( 1 + 3.88T + 11T^{2} \)
13 \( 1 + 2.89T + 13T^{2} \)
17 \( 1 + 2.83T + 17T^{2} \)
19 \( 1 + 5.96T + 19T^{2} \)
23 \( 1 - 2.37T + 23T^{2} \)
29 \( 1 + 5.37T + 29T^{2} \)
31 \( 1 - 3.48T + 31T^{2} \)
37 \( 1 - 11.3T + 37T^{2} \)
43 \( 1 - 5.56T + 43T^{2} \)
47 \( 1 + 1.09T + 47T^{2} \)
53 \( 1 + 8.69T + 53T^{2} \)
59 \( 1 + 1.15T + 59T^{2} \)
61 \( 1 + 13.9T + 61T^{2} \)
67 \( 1 - 6.92T + 67T^{2} \)
71 \( 1 - 7.31T + 71T^{2} \)
73 \( 1 + 0.0168T + 73T^{2} \)
79 \( 1 + 0.301T + 79T^{2} \)
83 \( 1 - 4.90T + 83T^{2} \)
89 \( 1 - 12.0T + 89T^{2} \)
97 \( 1 - 15.3T + 97T^{2} \)
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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

−8.974213269513848777367204816810, −8.285583235314551298653026899287, −7.79075317724384455213904452786, −7.51559481694808734780107733166, −6.47488399362380566659414983049, −4.82918220528115058758246479604, −4.13931118655856687671244785075, −2.96446903679829706151231682661, −2.23866092074252673640138067723, −0.39370003238433975431005498443, 0.39370003238433975431005498443, 2.23866092074252673640138067723, 2.96446903679829706151231682661, 4.13931118655856687671244785075, 4.82918220528115058758246479604, 6.47488399362380566659414983049, 7.51559481694808734780107733166, 7.79075317724384455213904452786, 8.285583235314551298653026899287, 8.974213269513848777367204816810

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