Properties

Label 2-1568-1.1-c1-0-3
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 $0$

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: \(0\)
Selberg data: \((2,\ 1568,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6189072095\)
\(L(\frac12)\) \(\approx\) \(0.6189072095\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
7 \( 1 \)
good3 \( 1 + 2 T + p T^{2} \) 1.3.c
5 \( 1 + 2 T + p T^{2} \) 1.5.c
11 \( 1 - 4 T + p T^{2} \) 1.11.ae
13 \( 1 + 6 T + p T^{2} \) 1.13.g
17 \( 1 - 4 T + p T^{2} \) 1.17.ae
19 \( 1 + 6 T + p T^{2} \) 1.19.g
23 \( 1 + 4 T + p T^{2} \) 1.23.e
29 \( 1 + 6 T + p T^{2} \) 1.29.g
31 \( 1 - 4 T + p T^{2} \) 1.31.ae
37 \( 1 + 6 T + p T^{2} \) 1.37.g
41 \( 1 + 4 T + p T^{2} \) 1.41.e
43 \( 1 - 12 T + p T^{2} \) 1.43.am
47 \( 1 - 12 T + p T^{2} \) 1.47.am
53 \( 1 - 6 T + p T^{2} \) 1.53.ag
59 \( 1 + 6 T + p T^{2} \) 1.59.g
61 \( 1 - 6 T + p T^{2} \) 1.61.ag
67 \( 1 - 12 T + p T^{2} \) 1.67.am
71 \( 1 - 8 T + p T^{2} \) 1.71.ai
73 \( 1 + p T^{2} \) 1.73.a
79 \( 1 + p T^{2} \) 1.79.a
83 \( 1 + 6 T + p T^{2} \) 1.83.g
89 \( 1 - 16 T + p T^{2} \) 1.89.aq
97 \( 1 - 12 T + p T^{2} \) 1.97.am
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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

−9.548334311913961644578260879163, −8.602967289806366862192787645068, −7.65950137952983772007530237214, −7.00517131931499789251224110851, −6.13816426608055355895026845340, −5.36896971972020825755565052761, −4.40089338508791742804895776143, −3.73481657956528417072145773521, −2.21931922241169272075459082326, −0.56712723048897687512007629436, 0.56712723048897687512007629436, 2.21931922241169272075459082326, 3.73481657956528417072145773521, 4.40089338508791742804895776143, 5.36896971972020825755565052761, 6.13816426608055355895026845340, 7.00517131931499789251224110851, 7.65950137952983772007530237214, 8.602967289806366862192787645068, 9.548334311913961644578260879163

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