Properties

Label 2-1560-1.1-c1-0-8
Degree $2$
Conductor $1560$
Sign $1$
Analytic cond. $12.4566$
Root an. cond. $3.52939$
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  + 3-s − 5-s + 2.61·7-s + 9-s − 6.39·11-s + 13-s − 15-s − 0.615·17-s + 7.77·19-s + 2.61·21-s + 2.61·23-s + 25-s + 27-s + 7.00·29-s + 5.23·31-s − 6.39·33-s − 2.61·35-s + 7.16·37-s + 39-s + 7.16·41-s + 4·43-s − 45-s − 1.23·47-s − 0.161·49-s − 0.615·51-s − 13.6·53-s + 6.39·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 0.988·7-s + 0.333·9-s − 1.92·11-s + 0.277·13-s − 0.258·15-s − 0.149·17-s + 1.78·19-s + 0.570·21-s + 0.545·23-s + 0.200·25-s + 0.192·27-s + 1.30·29-s + 0.939·31-s − 1.11·33-s − 0.442·35-s + 1.17·37-s + 0.160·39-s + 1.11·41-s + 0.609·43-s − 0.149·45-s − 0.179·47-s − 0.0230·49-s − 0.0861·51-s − 1.87·53-s + 0.861·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1560\)    =    \(2^{3} \cdot 3 \cdot 5 \cdot 13\)
Sign: $1$
Analytic conductor: \(12.4566\)
Root analytic conductor: \(3.52939\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1560,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.101207854\)
\(L(\frac12)\) \(\approx\) \(2.101207854\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - T \)
5 \( 1 + T \)
13 \( 1 - T \)
good7 \( 1 - 2.61T + 7T^{2} \)
11 \( 1 + 6.39T + 11T^{2} \)
17 \( 1 + 0.615T + 17T^{2} \)
19 \( 1 - 7.77T + 19T^{2} \)
23 \( 1 - 2.61T + 23T^{2} \)
29 \( 1 - 7.00T + 29T^{2} \)
31 \( 1 - 5.23T + 31T^{2} \)
37 \( 1 - 7.16T + 37T^{2} \)
41 \( 1 - 7.16T + 41T^{2} \)
43 \( 1 - 4T + 43T^{2} \)
47 \( 1 + 1.23T + 47T^{2} \)
53 \( 1 + 13.6T + 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 + 0.391T + 61T^{2} \)
67 \( 1 + 14.0T + 67T^{2} \)
71 \( 1 - 5.16T + 71T^{2} \)
73 \( 1 - 0.993T + 73T^{2} \)
79 \( 1 + 14.3T + 79T^{2} \)
83 \( 1 - 18.0T + 83T^{2} \)
89 \( 1 - 14.8T + 89T^{2} \)
97 \( 1 - 7.38T + 97T^{2} \)
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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

−9.381268398304992777000627421424, −8.439700570492587664141859391286, −7.71720819390555389604513477504, −7.57288583793113926236815230084, −6.15241906091492626006735290847, −5.02675367784896035657671925237, −4.61079335404586075639794206542, −3.19673377152602781950337998771, −2.53476806998173683386409660997, −1.04707375313935319902192913277, 1.04707375313935319902192913277, 2.53476806998173683386409660997, 3.19673377152602781950337998771, 4.61079335404586075639794206542, 5.02675367784896035657671925237, 6.15241906091492626006735290847, 7.57288583793113926236815230084, 7.71720819390555389604513477504, 8.439700570492587664141859391286, 9.381268398304992777000627421424

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