Properties

Label 2-1568-1.1-c1-0-31
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.41·3-s + 3.82·5-s + 2.82·9-s − 0.414·11-s − 2.82·13-s − 9.24·15-s − 5.82·17-s − 3.58·19-s − 3.24·23-s + 9.65·25-s + 0.414·27-s + 2.82·29-s − 8.41·31-s + 0.999·33-s − 2.65·37-s + 6.82·39-s − 1.17·41-s + 1.65·43-s + 10.8·45-s − 7.58·47-s + 14.0·51-s − 53-s − 1.58·55-s + 8.65·57-s + 8.89·59-s − 2.65·61-s − 10.8·65-s + ⋯
L(s)  = 1  − 1.39·3-s + 1.71·5-s + 0.942·9-s − 0.124·11-s − 0.784·13-s − 2.38·15-s − 1.41·17-s − 0.822·19-s − 0.676·23-s + 1.93·25-s + 0.0797·27-s + 0.525·29-s − 1.51·31-s + 0.174·33-s − 0.436·37-s + 1.09·39-s − 0.182·41-s + 0.252·43-s + 1.61·45-s − 1.10·47-s + 1.97·51-s − 0.137·53-s − 0.213·55-s + 1.14·57-s + 1.15·59-s − 0.340·61-s − 1.34·65-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: \(1\)
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 \( 1 + 2.41T + 3T^{2} \)
5 \( 1 - 3.82T + 5T^{2} \)
11 \( 1 + 0.414T + 11T^{2} \)
13 \( 1 + 2.82T + 13T^{2} \)
17 \( 1 + 5.82T + 17T^{2} \)
19 \( 1 + 3.58T + 19T^{2} \)
23 \( 1 + 3.24T + 23T^{2} \)
29 \( 1 - 2.82T + 29T^{2} \)
31 \( 1 + 8.41T + 31T^{2} \)
37 \( 1 + 2.65T + 37T^{2} \)
41 \( 1 + 1.17T + 41T^{2} \)
43 \( 1 - 1.65T + 43T^{2} \)
47 \( 1 + 7.58T + 47T^{2} \)
53 \( 1 + T + 53T^{2} \)
59 \( 1 - 8.89T + 59T^{2} \)
61 \( 1 + 2.65T + 61T^{2} \)
67 \( 1 - 11.2T + 67T^{2} \)
71 \( 1 + 2.34T + 71T^{2} \)
73 \( 1 + 3.34T + 73T^{2} \)
79 \( 1 - 8.07T + 79T^{2} \)
83 \( 1 + 15.3T + 83T^{2} \)
89 \( 1 + 9T + 89T^{2} \)
97 \( 1 + 6.82T + 97T^{2} \)
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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

−9.282603452338505939313864527875, −8.368886219650993379752570357248, −6.88700960964134347665508962816, −6.56358906699472963239017011325, −5.67227621051495657846197112043, −5.19479065199572185561025131632, −4.29590724471617649214755737223, −2.53407064111149139124857011234, −1.69310267289588159206378134256, 0, 1.69310267289588159206378134256, 2.53407064111149139124857011234, 4.29590724471617649214755737223, 5.19479065199572185561025131632, 5.67227621051495657846197112043, 6.56358906699472963239017011325, 6.88700960964134347665508962816, 8.368886219650993379752570357248, 9.282603452338505939313864527875

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