Properties

Label 2-1560-1.1-c1-0-9
Degree $2$
Conductor $1560$
Sign $1$
Analytic cond. $12.4566$
Root an. cond. $3.52939$
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  − 3-s + 5-s + 2·7-s + 9-s + 4·11-s − 13-s − 15-s + 2·19-s − 2·21-s − 2·23-s + 25-s − 27-s + 4·29-s + 4·31-s − 4·33-s + 2·35-s − 2·37-s + 39-s − 6·41-s − 4·43-s + 45-s + 8·47-s − 3·49-s − 2·53-s + 4·55-s − 2·57-s + 4·59-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s + 0.755·7-s + 1/3·9-s + 1.20·11-s − 0.277·13-s − 0.258·15-s + 0.458·19-s − 0.436·21-s − 0.417·23-s + 1/5·25-s − 0.192·27-s + 0.742·29-s + 0.718·31-s − 0.696·33-s + 0.338·35-s − 0.328·37-s + 0.160·39-s − 0.937·41-s − 0.609·43-s + 0.149·45-s + 1.16·47-s − 3/7·49-s − 0.274·53-s + 0.539·55-s − 0.264·57-s + 0.520·59-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1560,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.810813838\)
\(L(\frac12)\) \(\approx\) \(1.810813838\)
\(L(\frac{3}{2})\) 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 \( 1 - 2 T + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 - 2 T + p T^{2} \)
23 \( 1 + 2 T + p T^{2} \)
29 \( 1 - 4 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 + 4 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 4 T + p T^{2} \)
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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

−9.520009134295800655907776929717, −8.676563824242227720907246514036, −7.84347320477430312279068906121, −6.83753672766789611040877540710, −6.25779845443492060914021328840, −5.25787500780889329278664829328, −4.58917803356227598993084088957, −3.53655890135222970284137728225, −2.09771084382809545410112476360, −1.05434995902020695342243240802, 1.05434995902020695342243240802, 2.09771084382809545410112476360, 3.53655890135222970284137728225, 4.58917803356227598993084088957, 5.25787500780889329278664829328, 6.25779845443492060914021328840, 6.83753672766789611040877540710, 7.84347320477430312279068906121, 8.676563824242227720907246514036, 9.520009134295800655907776929717

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