Properties

Label 2-1690-1.1-c1-0-50
Degree $2$
Conductor $1690$
Sign $-1$
Analytic cond. $13.4947$
Root an. cond. $3.67351$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 4-s + 5-s − 3·7-s + 8-s − 3·9-s + 10-s − 3·11-s − 3·14-s + 16-s − 4·17-s − 3·18-s + 7·19-s + 20-s − 3·22-s − 4·23-s + 25-s − 3·28-s − 8·29-s − 10·31-s + 32-s − 4·34-s − 3·35-s − 3·36-s + 3·37-s + 7·38-s + 40-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.447·5-s − 1.13·7-s + 0.353·8-s − 9-s + 0.316·10-s − 0.904·11-s − 0.801·14-s + 1/4·16-s − 0.970·17-s − 0.707·18-s + 1.60·19-s + 0.223·20-s − 0.639·22-s − 0.834·23-s + 1/5·25-s − 0.566·28-s − 1.48·29-s − 1.79·31-s + 0.176·32-s − 0.685·34-s − 0.507·35-s − 1/2·36-s + 0.493·37-s + 1.13·38-s + 0.158·40-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1690 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1690 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1690\)    =    \(2 \cdot 5 \cdot 13^{2}\)
Sign: $-1$
Analytic conductor: \(13.4947\)
Root analytic conductor: \(3.67351\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1690,\ (\ :1/2),\ -1)\)

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 \( 1 - T \)
5 \( 1 - T \)
13 \( 1 \)
good3 \( 1 + p T^{2} \)
7 \( 1 + 3 T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
17 \( 1 + 4 T + p T^{2} \)
19 \( 1 - 7 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 8 T + p T^{2} \)
31 \( 1 + 10 T + p T^{2} \)
37 \( 1 - 3 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 - 6 T + p T^{2} \)
47 \( 1 + T + p T^{2} \)
53 \( 1 + 9 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 14 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 - 4 T + p T^{2} \)
79 \( 1 - 10 T + p T^{2} \)
83 \( 1 + p T^{2} \)
89 \( 1 - T + p T^{2} \)
97 \( 1 - 16 T + p T^{2} \)
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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

−9.300297501624975978492292037818, −7.975452881208269696892965733202, −7.27638050876996681243276873676, −6.25798222389869796675575975368, −5.70991159044996456379942019233, −5.01690284418133212863771660578, −3.67474705141338769051628639672, −2.99754177050974057021226379799, −2.05679095411134817247991307939, 0, 2.05679095411134817247991307939, 2.99754177050974057021226379799, 3.67474705141338769051628639672, 5.01690284418133212863771660578, 5.70991159044996456379942019233, 6.25798222389869796675575975368, 7.27638050876996681243276873676, 7.975452881208269696892965733202, 9.300297501624975978492292037818

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