Properties

Label 2-630-5.2-c2-0-18
Degree $2$
Conductor $630$
Sign $0.498 - 0.867i$
Analytic cond. $17.1662$
Root an. cond. $4.14321$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1 + i)2-s + 2i·4-s + (4.39 − 2.37i)5-s + (1.87 + 1.87i)7-s + (−2 + 2i)8-s + (6.77 + 2.01i)10-s + 14.7·11-s + (−13.2 + 13.2i)13-s + 3.74i·14-s − 4·16-s + (−1.17 − 1.17i)17-s + 15.1i·19-s + (4.75 + 8.79i)20-s + (14.7 + 14.7i)22-s + (22.5 − 22.5i)23-s + ⋯
L(s)  = 1  + (0.5 + 0.5i)2-s + 0.5i·4-s + (0.879 − 0.475i)5-s + (0.267 + 0.267i)7-s + (−0.250 + 0.250i)8-s + (0.677 + 0.201i)10-s + 1.34·11-s + (−1.02 + 1.02i)13-s + 0.267i·14-s − 0.250·16-s + (−0.0693 − 0.0693i)17-s + 0.796i·19-s + (0.237 + 0.439i)20-s + (0.671 + 0.671i)22-s + (0.978 − 0.978i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.498 - 0.867i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.498 - 0.867i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(630\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 7\)
Sign: $0.498 - 0.867i$
Analytic conductor: \(17.1662\)
Root analytic conductor: \(4.14321\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{630} (127, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 630,\ (\ :1),\ 0.498 - 0.867i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.965521465\)
\(L(\frac12)\) \(\approx\) \(2.965521465\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1 - i)T \)
3 \( 1 \)
5 \( 1 + (-4.39 + 2.37i)T \)
7 \( 1 + (-1.87 - 1.87i)T \)
good11 \( 1 - 14.7T + 121T^{2} \)
13 \( 1 + (13.2 - 13.2i)T - 169iT^{2} \)
17 \( 1 + (1.17 + 1.17i)T + 289iT^{2} \)
19 \( 1 - 15.1iT - 361T^{2} \)
23 \( 1 + (-22.5 + 22.5i)T - 529iT^{2} \)
29 \( 1 - 3.29iT - 841T^{2} \)
31 \( 1 - 50.0T + 961T^{2} \)
37 \( 1 + (-6.15 - 6.15i)T + 1.36e3iT^{2} \)
41 \( 1 - 35.1T + 1.68e3T^{2} \)
43 \( 1 + (58.9 - 58.9i)T - 1.84e3iT^{2} \)
47 \( 1 + (-20.1 - 20.1i)T + 2.20e3iT^{2} \)
53 \( 1 + (10.9 - 10.9i)T - 2.80e3iT^{2} \)
59 \( 1 - 66.6iT - 3.48e3T^{2} \)
61 \( 1 + 4.45T + 3.72e3T^{2} \)
67 \( 1 + (88.4 + 88.4i)T + 4.48e3iT^{2} \)
71 \( 1 + 69.3T + 5.04e3T^{2} \)
73 \( 1 + (-58.4 + 58.4i)T - 5.32e3iT^{2} \)
79 \( 1 + 52.8iT - 6.24e3T^{2} \)
83 \( 1 + (-53.4 + 53.4i)T - 6.88e3iT^{2} \)
89 \( 1 - 21.3iT - 7.92e3T^{2} \)
97 \( 1 + (-90.3 - 90.3i)T + 9.40e3iT^{2} \)
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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

−10.44336658978278840600714384788, −9.381981287274140202131830033867, −8.948603936501544260509273861605, −7.84932010135346927342063524895, −6.62102218801977745644432750442, −6.19742159803936824170894879890, −4.89476633213580149783710753086, −4.35761082272571264070426069967, −2.73736489880998140443555531587, −1.44974996041468957682367598880, 1.07753796087596371092728020906, 2.40394514381248462536203518081, 3.40921525623649851663753774861, 4.69780498197917332129767735069, 5.55163479155864093057863697909, 6.59886612916411015306255723158, 7.32924750451540985528260165836, 8.751137759020853016343962837460, 9.656585101090757821753147524841, 10.22783152096793605453718584468

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