Properties

Label 2-1690-1.1-c1-0-5
Degree $2$
Conductor $1690$
Sign $1$
Analytic cond. $13.4947$
Root an. cond. $3.67351$
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  + 2-s − 1.82·3-s + 4-s + 5-s − 1.82·6-s − 3.99·7-s + 8-s + 0.337·9-s + 10-s − 4.89·11-s − 1.82·12-s − 3.99·14-s − 1.82·15-s + 16-s + 6.62·17-s + 0.337·18-s + 2.09·19-s + 20-s + 7.29·21-s − 4.89·22-s − 0.991·23-s − 1.82·24-s + 25-s + 4.86·27-s − 3.99·28-s + 5.84·29-s − 1.82·30-s + ⋯
L(s)  = 1  + 0.707·2-s − 1.05·3-s + 0.5·4-s + 0.447·5-s − 0.745·6-s − 1.50·7-s + 0.353·8-s + 0.112·9-s + 0.316·10-s − 1.47·11-s − 0.527·12-s − 1.06·14-s − 0.471·15-s + 0.250·16-s + 1.60·17-s + 0.0795·18-s + 0.480·19-s + 0.223·20-s + 1.59·21-s − 1.04·22-s − 0.206·23-s − 0.372·24-s + 0.200·25-s + 0.936·27-s − 0.754·28-s + 1.08·29-s − 0.333·30-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1690,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.449367993\)
\(L(\frac12)\) \(\approx\) \(1.449367993\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.82T + 3T^{2} \)
7 \( 1 + 3.99T + 7T^{2} \)
11 \( 1 + 4.89T + 11T^{2} \)
17 \( 1 - 6.62T + 17T^{2} \)
19 \( 1 - 2.09T + 19T^{2} \)
23 \( 1 + 0.991T + 23T^{2} \)
29 \( 1 - 5.84T + 29T^{2} \)
31 \( 1 - 10.8T + 31T^{2} \)
37 \( 1 + 3.29T + 37T^{2} \)
41 \( 1 - 5.18T + 41T^{2} \)
43 \( 1 - 1.13T + 43T^{2} \)
47 \( 1 - 1.61T + 47T^{2} \)
53 \( 1 + 0.549T + 53T^{2} \)
59 \( 1 - 3.46T + 59T^{2} \)
61 \( 1 + 1.37T + 61T^{2} \)
67 \( 1 + 3.62T + 67T^{2} \)
71 \( 1 + 6T + 71T^{2} \)
73 \( 1 - 8.94T + 73T^{2} \)
79 \( 1 - 2.55T + 79T^{2} \)
83 \( 1 + 16.4T + 83T^{2} \)
89 \( 1 - 3.44T + 89T^{2} \)
97 \( 1 + 11.6T + 97T^{2} \)
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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

−9.881401728981280168222604291813, −8.457989024520648704141755514022, −7.50067509389485919633029303216, −6.59925042680349627956568704711, −5.92004571655200442321439680467, −5.47918390087963518040628346017, −4.61979286272015655369688762682, −3.20191829771695781622903568170, −2.70869307753814897341389186336, −0.77026383870769113965897067199, 0.77026383870769113965897067199, 2.70869307753814897341389186336, 3.20191829771695781622903568170, 4.61979286272015655369688762682, 5.47918390087963518040628346017, 5.92004571655200442321439680467, 6.59925042680349627956568704711, 7.50067509389485919633029303216, 8.457989024520648704141755514022, 9.881401728981280168222604291813

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