Properties

Label 2-2008-1.1-c1-0-15
Degree $2$
Conductor $2008$
Sign $1$
Analytic cond. $16.0339$
Root an. cond. $4.00424$
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  − 0.347·3-s − 1.66·5-s + 3.92·7-s − 2.87·9-s + 6.50·11-s − 3.17·13-s + 0.579·15-s + 3.56·17-s + 8.45·19-s − 1.36·21-s − 4.47·23-s − 2.22·25-s + 2.04·27-s − 9.13·29-s − 4.27·31-s − 2.26·33-s − 6.53·35-s + 0.328·37-s + 1.10·39-s + 8.75·41-s − 4.27·43-s + 4.79·45-s + 5.78·47-s + 8.37·49-s − 1.24·51-s + 13.1·53-s − 10.8·55-s + ⋯
L(s)  = 1  − 0.200·3-s − 0.745·5-s + 1.48·7-s − 0.959·9-s + 1.96·11-s − 0.879·13-s + 0.149·15-s + 0.864·17-s + 1.93·19-s − 0.297·21-s − 0.932·23-s − 0.444·25-s + 0.393·27-s − 1.69·29-s − 0.766·31-s − 0.393·33-s − 1.10·35-s + 0.0540·37-s + 0.176·39-s + 1.36·41-s − 0.651·43-s + 0.715·45-s + 0.843·47-s + 1.19·49-s − 0.173·51-s + 1.81·53-s − 1.46·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2008 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2008 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2008\)    =    \(2^{3} \cdot 251\)
Sign: $1$
Analytic conductor: \(16.0339\)
Root analytic conductor: \(4.00424\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2008,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.737948729\)
\(L(\frac12)\) \(\approx\) \(1.737948729\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
251 \( 1 + T \)
good3 \( 1 + 0.347T + 3T^{2} \)
5 \( 1 + 1.66T + 5T^{2} \)
7 \( 1 - 3.92T + 7T^{2} \)
11 \( 1 - 6.50T + 11T^{2} \)
13 \( 1 + 3.17T + 13T^{2} \)
17 \( 1 - 3.56T + 17T^{2} \)
19 \( 1 - 8.45T + 19T^{2} \)
23 \( 1 + 4.47T + 23T^{2} \)
29 \( 1 + 9.13T + 29T^{2} \)
31 \( 1 + 4.27T + 31T^{2} \)
37 \( 1 - 0.328T + 37T^{2} \)
41 \( 1 - 8.75T + 41T^{2} \)
43 \( 1 + 4.27T + 43T^{2} \)
47 \( 1 - 5.78T + 47T^{2} \)
53 \( 1 - 13.1T + 53T^{2} \)
59 \( 1 - 6.76T + 59T^{2} \)
61 \( 1 + 9.71T + 61T^{2} \)
67 \( 1 - 11.0T + 67T^{2} \)
71 \( 1 - 13.3T + 71T^{2} \)
73 \( 1 - 13.0T + 73T^{2} \)
79 \( 1 - 4.45T + 79T^{2} \)
83 \( 1 + 7.31T + 83T^{2} \)
89 \( 1 - 0.686T + 89T^{2} \)
97 \( 1 + 7.21T + 97T^{2} \)
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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

−9.232884485516723771672809150131, −8.196937567297998918410270446710, −7.67480847591047737130249520644, −7.02660269666821610224505383393, −5.69206628457673461567902924743, −5.30033907243452587292247974785, −4.10846343396052631935289074380, −3.55563853231446834438843515066, −2.07333434711247556184657836428, −0.934239250573243268208994982732, 0.934239250573243268208994982732, 2.07333434711247556184657836428, 3.55563853231446834438843515066, 4.10846343396052631935289074380, 5.30033907243452587292247974785, 5.69206628457673461567902924743, 7.02660269666821610224505383393, 7.67480847591047737130249520644, 8.196937567297998918410270446710, 9.232884485516723771672809150131

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