Properties

Label 2-1568-1.1-c1-0-11
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  − 0.414·3-s + 1.82·5-s − 2.82·9-s + 2.41·11-s − 2.82·13-s − 0.757·15-s + 0.171·17-s + 6.41·19-s + 5.24·23-s − 1.65·25-s + 2.41·27-s − 2.82·29-s + 5.58·31-s − 0.999·33-s + 8.65·37-s + 1.17·39-s + 6.82·41-s − 9.65·43-s − 5.17·45-s + 10.4·47-s − 0.0710·51-s − 53-s + 4.41·55-s − 2.65·57-s + 10.8·59-s − 8.65·61-s − 5.17·65-s + ⋯
L(s)  = 1  − 0.239·3-s + 0.817·5-s − 0.942·9-s + 0.727·11-s − 0.784·13-s − 0.195·15-s + 0.0416·17-s + 1.47·19-s + 1.09·23-s − 0.331·25-s + 0.464·27-s − 0.525·29-s + 1.00·31-s − 0.174·33-s + 1.42·37-s + 0.187·39-s + 1.06·41-s − 1.47·43-s − 0.770·45-s + 1.51·47-s − 0.00995·51-s − 0.137·53-s + 0.595·55-s − 0.351·57-s + 1.41·59-s − 1.10·61-s − 0.641·65-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

\(L(1)\) \(\approx\) \(1.775260812\)
\(L(\frac12)\) \(\approx\) \(1.775260812\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.414T + 3T^{2} \)
5 \( 1 - 1.82T + 5T^{2} \)
11 \( 1 - 2.41T + 11T^{2} \)
13 \( 1 + 2.82T + 13T^{2} \)
17 \( 1 - 0.171T + 17T^{2} \)
19 \( 1 - 6.41T + 19T^{2} \)
23 \( 1 - 5.24T + 23T^{2} \)
29 \( 1 + 2.82T + 29T^{2} \)
31 \( 1 - 5.58T + 31T^{2} \)
37 \( 1 - 8.65T + 37T^{2} \)
41 \( 1 - 6.82T + 41T^{2} \)
43 \( 1 + 9.65T + 43T^{2} \)
47 \( 1 - 10.4T + 47T^{2} \)
53 \( 1 + T + 53T^{2} \)
59 \( 1 - 10.8T + 59T^{2} \)
61 \( 1 + 8.65T + 61T^{2} \)
67 \( 1 - 2.75T + 67T^{2} \)
71 \( 1 + 13.6T + 71T^{2} \)
73 \( 1 - 14.6T + 73T^{2} \)
79 \( 1 + 6.07T + 79T^{2} \)
83 \( 1 + 7.31T + 83T^{2} \)
89 \( 1 - 9T + 89T^{2} \)
97 \( 1 - 1.17T + 97T^{2} \)
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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

−9.491144051014227641421894937708, −8.823801955153168895656416136666, −7.78174163656873312642551157027, −6.96877391641899939804844047838, −6.02565676268611011052871224095, −5.46970714943462433861773733396, −4.56995359275773683854200454313, −3.25164076735164495213499023057, −2.37952981554633394661957618764, −0.981611028434021842742737928419, 0.981611028434021842742737928419, 2.37952981554633394661957618764, 3.25164076735164495213499023057, 4.56995359275773683854200454313, 5.46970714943462433861773733396, 6.02565676268611011052871224095, 6.96877391641899939804844047838, 7.78174163656873312642551157027, 8.823801955153168895656416136666, 9.491144051014227641421894937708

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