Properties

Label 2-490-1.1-c3-0-15
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s − 5.78·3-s + 4·4-s − 5·5-s + 11.5·6-s − 8·8-s + 6.43·9-s + 10·10-s − 20.4·11-s − 23.1·12-s + 53.1·13-s + 28.9·15-s + 16·16-s − 27.7·17-s − 12.8·18-s + 143.·19-s − 20·20-s + 40.8·22-s − 200.·23-s + 46.2·24-s + 25·25-s − 106.·26-s + 118.·27-s + 113.·29-s − 57.8·30-s + 105.·31-s − 32·32-s + ⋯
L(s)  = 1  − 0.707·2-s − 1.11·3-s + 0.5·4-s − 0.447·5-s + 0.786·6-s − 0.353·8-s + 0.238·9-s + 0.316·10-s − 0.560·11-s − 0.556·12-s + 1.13·13-s + 0.497·15-s + 0.250·16-s − 0.395·17-s − 0.168·18-s + 1.72·19-s − 0.223·20-s + 0.396·22-s − 1.81·23-s + 0.393·24-s + 0.200·25-s − 0.801·26-s + 0.847·27-s + 0.724·29-s − 0.351·30-s + 0.611·31-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: \(1\)
Selberg data: \((2,\ 490,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 + 5.78T + 27T^{2} \)
11 \( 1 + 20.4T + 1.33e3T^{2} \)
13 \( 1 - 53.1T + 2.19e3T^{2} \)
17 \( 1 + 27.7T + 4.91e3T^{2} \)
19 \( 1 - 143.T + 6.85e3T^{2} \)
23 \( 1 + 200.T + 1.21e4T^{2} \)
29 \( 1 - 113.T + 2.43e4T^{2} \)
31 \( 1 - 105.T + 2.97e4T^{2} \)
37 \( 1 + 1.38T + 5.06e4T^{2} \)
41 \( 1 - 226.T + 6.89e4T^{2} \)
43 \( 1 - 268.T + 7.95e4T^{2} \)
47 \( 1 + 27.7T + 1.03e5T^{2} \)
53 \( 1 - 74.2T + 1.48e5T^{2} \)
59 \( 1 + 665.T + 2.05e5T^{2} \)
61 \( 1 + 509.T + 2.26e5T^{2} \)
67 \( 1 + 981.T + 3.00e5T^{2} \)
71 \( 1 + 144.T + 3.57e5T^{2} \)
73 \( 1 + 735.T + 3.89e5T^{2} \)
79 \( 1 - 146.T + 4.93e5T^{2} \)
83 \( 1 + 712.T + 5.71e5T^{2} \)
89 \( 1 - 606.T + 7.04e5T^{2} \)
97 \( 1 + 771.T + 9.12e5T^{2} \)
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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

−10.34776788013057545236386032035, −9.257107474720428561982165086115, −8.218072605488178108090091433399, −7.47298215952957045797716804917, −6.26890458702139957394183513160, −5.67672375789941247705982286114, −4.39236955133977824638796963731, −2.96210175062548845152882749686, −1.18544078469758491623642159273, 0, 1.18544078469758491623642159273, 2.96210175062548845152882749686, 4.39236955133977824638796963731, 5.67672375789941247705982286114, 6.26890458702139957394183513160, 7.47298215952957045797716804917, 8.218072605488178108090091433399, 9.257107474720428561982165086115, 10.34776788013057545236386032035

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