Properties

Label 2-490-1.1-c3-0-26
Degree $2$
Conductor $490$
Sign $1$
Analytic cond. $28.9109$
Root an. cond. $5.37688$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s + 6.40·3-s + 4·4-s + 5·5-s + 12.8·6-s + 8·8-s + 13.9·9-s + 10·10-s + 39.0·11-s + 25.6·12-s − 21.7·13-s + 32.0·15-s + 16·16-s + 12.1·17-s + 27.9·18-s + 86.5·19-s + 20·20-s + 78.0·22-s − 7.04·23-s + 51.2·24-s + 25·25-s − 43.4·26-s − 83.3·27-s + 57.8·29-s + 64.0·30-s + 241.·31-s + 32·32-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.23·3-s + 0.5·4-s + 0.447·5-s + 0.871·6-s + 0.353·8-s + 0.517·9-s + 0.316·10-s + 1.07·11-s + 0.615·12-s − 0.463·13-s + 0.550·15-s + 0.250·16-s + 0.173·17-s + 0.365·18-s + 1.04·19-s + 0.223·20-s + 0.756·22-s − 0.0638·23-s + 0.435·24-s + 0.200·25-s − 0.327·26-s − 0.594·27-s + 0.370·29-s + 0.389·30-s + 1.39·31-s + 0.176·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(490\)    =    \(2 \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(28.9109\)
Root analytic conductor: \(5.37688\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 490,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(5.298220069\)
\(L(\frac12)\) \(\approx\) \(5.298220069\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 2T \)
5 \( 1 - 5T \)
7 \( 1 \)
good3 \( 1 - 6.40T + 27T^{2} \)
11 \( 1 - 39.0T + 1.33e3T^{2} \)
13 \( 1 + 21.7T + 2.19e3T^{2} \)
17 \( 1 - 12.1T + 4.91e3T^{2} \)
19 \( 1 - 86.5T + 6.85e3T^{2} \)
23 \( 1 + 7.04T + 1.21e4T^{2} \)
29 \( 1 - 57.8T + 2.43e4T^{2} \)
31 \( 1 - 241.T + 2.97e4T^{2} \)
37 \( 1 + 396.T + 5.06e4T^{2} \)
41 \( 1 - 26.8T + 6.89e4T^{2} \)
43 \( 1 - 44.5T + 7.95e4T^{2} \)
47 \( 1 - 501.T + 1.03e5T^{2} \)
53 \( 1 + 717.T + 1.48e5T^{2} \)
59 \( 1 + 455.T + 2.05e5T^{2} \)
61 \( 1 - 533.T + 2.26e5T^{2} \)
67 \( 1 + 814.T + 3.00e5T^{2} \)
71 \( 1 + 258.T + 3.57e5T^{2} \)
73 \( 1 + 839.T + 3.89e5T^{2} \)
79 \( 1 - 1.00e3T + 4.93e5T^{2} \)
83 \( 1 + 130.T + 5.71e5T^{2} \)
89 \( 1 + 1.12e3T + 7.04e5T^{2} \)
97 \( 1 - 1.48e3T + 9.12e5T^{2} \)
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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

−10.42957861566807238555678385861, −9.532688524741518988885888945124, −8.834713753216469294486696818920, −7.79837625588544678015010652868, −6.89248281853094826341261653659, −5.84068575755927202902411024875, −4.65050197647841726785590422217, −3.52105614567346414943070004722, −2.68412498219589486544840127892, −1.46279573137808593249687044195, 1.46279573137808593249687044195, 2.68412498219589486544840127892, 3.52105614567346414943070004722, 4.65050197647841726785590422217, 5.84068575755927202902411024875, 6.89248281853094826341261653659, 7.79837625588544678015010652868, 8.834713753216469294486696818920, 9.532688524741518988885888945124, 10.42957861566807238555678385861

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