Properties

Label 2-1568-1.1-c1-0-13
Degree $2$
Conductor $1568$
Sign $1$
Analytic cond. $12.5205$
Root an. cond. $3.53843$
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  + 1.41·3-s − 0.999·9-s + 2·11-s + 2.82·13-s + 4.24·17-s − 4.24·19-s + 8·23-s − 5·25-s − 5.65·27-s + 6·29-s + 8.48·31-s + 2.82·33-s − 2·37-s + 4.00·39-s − 4.24·41-s + 6·43-s − 2.82·47-s + 6·51-s + 6·53-s − 6·57-s + 12.7·59-s − 5.65·61-s + 12·67-s + 11.3·69-s − 4·71-s − 1.41·73-s − 7.07·75-s + ⋯
L(s)  = 1  + 0.816·3-s − 0.333·9-s + 0.603·11-s + 0.784·13-s + 1.02·17-s − 0.973·19-s + 1.66·23-s − 25-s − 1.08·27-s + 1.11·29-s + 1.52·31-s + 0.492·33-s − 0.328·37-s + 0.640·39-s − 0.662·41-s + 0.914·43-s − 0.412·47-s + 0.840·51-s + 0.824·53-s − 0.794·57-s + 1.65·59-s − 0.724·61-s + 1.46·67-s + 1.36·69-s − 0.474·71-s − 0.165·73-s − 0.816·75-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1568 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1568\)    =    \(2^{5} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(12.5205\)
Root analytic conductor: \(3.53843\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1568,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.383476848\)
\(L(\frac12)\) \(\approx\) \(2.383476848\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 \)
good3 \( 1 - 1.41T + 3T^{2} \)
5 \( 1 + 5T^{2} \)
11 \( 1 - 2T + 11T^{2} \)
13 \( 1 - 2.82T + 13T^{2} \)
17 \( 1 - 4.24T + 17T^{2} \)
19 \( 1 + 4.24T + 19T^{2} \)
23 \( 1 - 8T + 23T^{2} \)
29 \( 1 - 6T + 29T^{2} \)
31 \( 1 - 8.48T + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 + 4.24T + 41T^{2} \)
43 \( 1 - 6T + 43T^{2} \)
47 \( 1 + 2.82T + 47T^{2} \)
53 \( 1 - 6T + 53T^{2} \)
59 \( 1 - 12.7T + 59T^{2} \)
61 \( 1 + 5.65T + 61T^{2} \)
67 \( 1 - 12T + 67T^{2} \)
71 \( 1 + 4T + 71T^{2} \)
73 \( 1 + 1.41T + 73T^{2} \)
79 \( 1 - 12T + 79T^{2} \)
83 \( 1 + 9.89T + 83T^{2} \)
89 \( 1 - 4.24T + 89T^{2} \)
97 \( 1 + 18.3T + 97T^{2} \)
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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

−9.316136142031300408698804928428, −8.473114568179355300384736496876, −8.194046697109229900159273724512, −7.03152444091693357187156538595, −6.26071282459919080446857332955, −5.34178652615149445904380531671, −4.18197883597665849303106895228, −3.35551205628358491016998314902, −2.48258315435609128359806847864, −1.12552427816405528035864022651, 1.12552427816405528035864022651, 2.48258315435609128359806847864, 3.35551205628358491016998314902, 4.18197883597665849303106895228, 5.34178652615149445904380531671, 6.26071282459919080446857332955, 7.03152444091693357187156538595, 8.194046697109229900159273724512, 8.473114568179355300384736496876, 9.316136142031300408698804928428

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