Properties

Label 2-1560-1.1-c1-0-15
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 + 4·7-s + 9-s + 13-s + 15-s + 2·17-s + 4·21-s + 25-s + 27-s − 2·29-s − 4·31-s + 4·35-s + 6·37-s + 39-s − 6·41-s + 4·43-s + 45-s − 4·47-s + 9·49-s + 2·51-s − 10·53-s − 2·61-s + 4·63-s + 65-s + 8·67-s + 4·71-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s + 1.51·7-s + 1/3·9-s + 0.277·13-s + 0.258·15-s + 0.485·17-s + 0.872·21-s + 1/5·25-s + 0.192·27-s − 0.371·29-s − 0.718·31-s + 0.676·35-s + 0.986·37-s + 0.160·39-s − 0.937·41-s + 0.609·43-s + 0.149·45-s − 0.583·47-s + 9/7·49-s + 0.280·51-s − 1.37·53-s − 0.256·61-s + 0.503·63-s + 0.124·65-s + 0.977·67-s + 0.474·71-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

\(L(1)\) \(\approx\) \(2.790375808\)
\(L(\frac12)\) \(\approx\) \(2.790375808\)
\(L(\frac{3}{2})\) 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 \( 1 - 4 T + p T^{2} \)
11 \( 1 + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 + 10 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 - 4 T + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 8 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 + 14 T + p T^{2} \)
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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

−9.361922981370355726520537378237, −8.560865380512469096549492525929, −7.937701919404004482623022118064, −7.25810834528999964875509262651, −6.12257508120125303222030801610, −5.22066779295482831433366349716, −4.46333026419845538385546929457, −3.38719073586029414138569537242, −2.17760885066242309825446481805, −1.33526849821080802501597040286, 1.33526849821080802501597040286, 2.17760885066242309825446481805, 3.38719073586029414138569537242, 4.46333026419845538385546929457, 5.22066779295482831433366349716, 6.12257508120125303222030801610, 7.25810834528999964875509262651, 7.937701919404004482623022118064, 8.560865380512469096549492525929, 9.361922981370355726520537378237

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