Properties

Label 2-490-5.4-c3-0-13
Degree $2$
Conductor $490$
Sign $-0.894 + 0.447i$
Analytic cond. $28.9109$
Root an. cond. $5.37688$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2i·2-s + 2i·3-s − 4·4-s + (5 + 10i)5-s − 4·6-s − 8i·8-s + 23·9-s + (−20 + 10i)10-s − 28·11-s − 8i·12-s + 12i·13-s + (−20 + 10i)15-s + 16·16-s + 64i·17-s + 46i·18-s − 60·19-s + ⋯
L(s)  = 1  + 0.707i·2-s + 0.384i·3-s − 0.5·4-s + (0.447 + 0.894i)5-s − 0.272·6-s − 0.353i·8-s + 0.851·9-s + (−0.632 + 0.316i)10-s − 0.767·11-s − 0.192i·12-s + 0.256i·13-s + (−0.344 + 0.172i)15-s + 0.250·16-s + 0.913i·17-s + 0.602i·18-s − 0.724·19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.894 + 0.447i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.894 + 0.447i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(490\)    =    \(2 \cdot 5 \cdot 7^{2}\)
Sign: $-0.894 + 0.447i$
Analytic conductor: \(28.9109\)
Root analytic conductor: \(5.37688\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{490} (99, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 490,\ (\ :3/2),\ -0.894 + 0.447i)\)

Particular Values

\(L(2)\) \(\approx\) \(1.273234713\)
\(L(\frac12)\) \(\approx\) \(1.273234713\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 2iT \)
5 \( 1 + (-5 - 10i)T \)
7 \( 1 \)
good3 \( 1 - 2iT - 27T^{2} \)
11 \( 1 + 28T + 1.33e3T^{2} \)
13 \( 1 - 12iT - 2.19e3T^{2} \)
17 \( 1 - 64iT - 4.91e3T^{2} \)
19 \( 1 + 60T + 6.85e3T^{2} \)
23 \( 1 - 58iT - 1.21e4T^{2} \)
29 \( 1 + 90T + 2.43e4T^{2} \)
31 \( 1 - 128T + 2.97e4T^{2} \)
37 \( 1 - 236iT - 5.06e4T^{2} \)
41 \( 1 + 242T + 6.89e4T^{2} \)
43 \( 1 + 362iT - 7.95e4T^{2} \)
47 \( 1 + 226iT - 1.03e5T^{2} \)
53 \( 1 - 108iT - 1.48e5T^{2} \)
59 \( 1 + 20T + 2.05e5T^{2} \)
61 \( 1 + 542T + 2.26e5T^{2} \)
67 \( 1 + 434iT - 3.00e5T^{2} \)
71 \( 1 + 1.12e3T + 3.57e5T^{2} \)
73 \( 1 - 632iT - 3.89e5T^{2} \)
79 \( 1 - 720T + 4.93e5T^{2} \)
83 \( 1 + 478iT - 5.71e5T^{2} \)
89 \( 1 + 490T + 7.04e5T^{2} \)
97 \( 1 + 1.45e3iT - 9.12e5T^{2} \)
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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

−10.59677049081958026467992305107, −10.28310959623063488724665626772, −9.336102705172220950322566356252, −8.250374680932885662051298296313, −7.29009788234279204657108503817, −6.51933442468180005342740096683, −5.57309162295232177041269287641, −4.45588919613803919402442398671, −3.36703067994750769363022655717, −1.83979462530784620400123479414, 0.39010393057023164507448278382, 1.59362054481535588627025835858, 2.69679450382151762891425293098, 4.28763849262282265775473743920, 5.04891229892299965853446587551, 6.19042967336081089797820315698, 7.47186657169440413599139992438, 8.338587278324295044867447015589, 9.309622555126909319751524018419, 10.04436436709044549703219310533

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