Properties

Label 2-1568-1.1-c1-0-36
Degree $2$
Conductor $1568$
Sign $-1$
Analytic cond. $12.5205$
Root an. cond. $3.53843$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·3-s − 2·5-s + 9-s − 4·11-s − 6·13-s − 4·15-s + 4·17-s + 6·19-s + 4·23-s − 25-s − 4·27-s − 6·29-s − 4·31-s − 8·33-s − 6·37-s − 12·39-s − 4·41-s − 12·43-s − 2·45-s − 12·47-s + 8·51-s + 6·53-s + 8·55-s + 12·57-s + 6·59-s + 6·61-s + 12·65-s + ⋯
L(s)  = 1  + 1.15·3-s − 0.894·5-s + 1/3·9-s − 1.20·11-s − 1.66·13-s − 1.03·15-s + 0.970·17-s + 1.37·19-s + 0.834·23-s − 1/5·25-s − 0.769·27-s − 1.11·29-s − 0.718·31-s − 1.39·33-s − 0.986·37-s − 1.92·39-s − 0.624·41-s − 1.82·43-s − 0.298·45-s − 1.75·47-s + 1.12·51-s + 0.824·53-s + 1.07·55-s + 1.58·57-s + 0.781·59-s + 0.768·61-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1568,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
7 \( 1 \)
good3 \( 1 - 2 T + p T^{2} \)
5 \( 1 + 2 T + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
13 \( 1 + 6 T + p T^{2} \)
17 \( 1 - 4 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 + 4 T + p T^{2} \)
43 \( 1 + 12 T + p T^{2} \)
47 \( 1 + 12 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 + 12 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 - 16 T + p T^{2} \)
97 \( 1 - 12 T + p T^{2} \)
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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

−8.961369659678962199687138816425, −8.067591524836783647495825405397, −7.56797051521186077953967862619, −7.15163819767907692733871434919, −5.41868105719446805469310308644, −4.94424227501604500687383311520, −3.48865751943528789951142169716, −3.12124281504481352218343737067, −1.99002816982159760744296199407, 0, 1.99002816982159760744296199407, 3.12124281504481352218343737067, 3.48865751943528789951142169716, 4.94424227501604500687383311520, 5.41868105719446805469310308644, 7.15163819767907692733871434919, 7.56797051521186077953967862619, 8.067591524836783647495825405397, 8.961369659678962199687138816425

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