Properties

Label 2-1568-1.1-c1-0-9
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  − 2.64·3-s + 3·5-s + 4.00·9-s − 2.64·11-s + 4·13-s − 7.93·15-s − 17-s + 7.93·19-s − 2.64·23-s + 4·25-s − 2.64·27-s − 4·29-s + 2.64·31-s + 7.00·33-s − 5·37-s − 10.5·39-s − 8·41-s + 10.5·43-s + 12.0·45-s − 2.64·47-s + 2.64·51-s + 7·53-s − 7.93·55-s − 21.0·57-s − 2.64·59-s + 5·61-s + 12·65-s + ⋯
L(s)  = 1  − 1.52·3-s + 1.34·5-s + 1.33·9-s − 0.797·11-s + 1.10·13-s − 2.04·15-s − 0.242·17-s + 1.82·19-s − 0.551·23-s + 0.800·25-s − 0.509·27-s − 0.742·29-s + 0.475·31-s + 1.21·33-s − 0.821·37-s − 1.69·39-s − 1.24·41-s + 1.61·43-s + 1.78·45-s − 0.385·47-s + 0.370·51-s + 0.961·53-s − 1.07·55-s − 2.78·57-s − 0.344·59-s + 0.640·61-s + 1.48·65-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

\(L(1)\) \(\approx\) \(1.292563087\)
\(L(\frac12)\) \(\approx\) \(1.292563087\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.64T + 3T^{2} \)
5 \( 1 - 3T + 5T^{2} \)
11 \( 1 + 2.64T + 11T^{2} \)
13 \( 1 - 4T + 13T^{2} \)
17 \( 1 + T + 17T^{2} \)
19 \( 1 - 7.93T + 19T^{2} \)
23 \( 1 + 2.64T + 23T^{2} \)
29 \( 1 + 4T + 29T^{2} \)
31 \( 1 - 2.64T + 31T^{2} \)
37 \( 1 + 5T + 37T^{2} \)
41 \( 1 + 8T + 41T^{2} \)
43 \( 1 - 10.5T + 43T^{2} \)
47 \( 1 + 2.64T + 47T^{2} \)
53 \( 1 - 7T + 53T^{2} \)
59 \( 1 + 2.64T + 59T^{2} \)
61 \( 1 - 5T + 61T^{2} \)
67 \( 1 - 2.64T + 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 - 9T + 73T^{2} \)
79 \( 1 + 2.64T + 79T^{2} \)
83 \( 1 - 10.5T + 83T^{2} \)
89 \( 1 - 9T + 89T^{2} \)
97 \( 1 - 8T + 97T^{2} \)
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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

−9.710317898047128283200313289802, −8.798742945798802303484967157152, −7.64765332138061986891050162184, −6.72254501150916638504420547699, −5.93469548582040074743719061273, −5.52933777388360428429996312991, −4.85647616507873890906603231389, −3.46065241215954745130870073412, −2.04206569018104086423028280813, −0.893580609759225263651882314677, 0.893580609759225263651882314677, 2.04206569018104086423028280813, 3.46065241215954745130870073412, 4.85647616507873890906603231389, 5.52933777388360428429996312991, 5.93469548582040074743719061273, 6.72254501150916638504420547699, 7.64765332138061986891050162184, 8.798742945798802303484967157152, 9.710317898047128283200313289802

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