Properties

Label 2-630-35.34-c2-0-20
Degree $2$
Conductor $630$
Sign $0.896 + 0.443i$
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  + 1.41i·2-s − 2.00·4-s + (−4.91 − 0.905i)5-s + (−1.91 + 6.73i)7-s − 2.82i·8-s + (1.28 − 6.95i)10-s − 17.5·11-s + 4.83·13-s + (−9.52 − 2.70i)14-s + 4.00·16-s + 18.0·17-s − 9.13i·19-s + (9.83 + 1.81i)20-s − 24.7i·22-s − 3.72i·23-s + ⋯
L(s)  = 1  + 0.707i·2-s − 0.500·4-s + (−0.983 − 0.181i)5-s + (−0.273 + 0.961i)7-s − 0.353i·8-s + (0.128 − 0.695i)10-s − 1.59·11-s + 0.371·13-s + (−0.680 − 0.193i)14-s + 0.250·16-s + 1.06·17-s − 0.480i·19-s + (0.491 + 0.0905i)20-s − 1.12i·22-s − 0.161i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.896 + 0.443i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.896 + 0.443i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(630\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 7\)
Sign: $0.896 + 0.443i$
Analytic conductor: \(17.1662\)
Root analytic conductor: \(4.14321\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{630} (559, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 630,\ (\ :1),\ 0.896 + 0.443i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.7653096556\)
\(L(\frac12)\) \(\approx\) \(0.7653096556\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 1.41iT \)
3 \( 1 \)
5 \( 1 + (4.91 + 0.905i)T \)
7 \( 1 + (1.91 - 6.73i)T \)
good11 \( 1 + 17.5T + 121T^{2} \)
13 \( 1 - 4.83T + 169T^{2} \)
17 \( 1 - 18.0T + 289T^{2} \)
19 \( 1 + 9.13iT - 361T^{2} \)
23 \( 1 + 3.72iT - 529T^{2} \)
29 \( 1 + 1.12T + 841T^{2} \)
31 \( 1 + 57.0iT - 961T^{2} \)
37 \( 1 - 41.3iT - 1.36e3T^{2} \)
41 \( 1 - 11.7iT - 1.68e3T^{2} \)
43 \( 1 + 64.4iT - 1.84e3T^{2} \)
47 \( 1 - 77.6T + 2.20e3T^{2} \)
53 \( 1 + 77.5iT - 2.80e3T^{2} \)
59 \( 1 + 87.0iT - 3.48e3T^{2} \)
61 \( 1 + 5.36iT - 3.72e3T^{2} \)
67 \( 1 - 47.1iT - 4.48e3T^{2} \)
71 \( 1 - 58.3T + 5.04e3T^{2} \)
73 \( 1 - 53.4T + 5.32e3T^{2} \)
79 \( 1 + 74.9T + 6.24e3T^{2} \)
83 \( 1 - 28.7T + 6.88e3T^{2} \)
89 \( 1 - 101. iT - 7.92e3T^{2} \)
97 \( 1 + 107.T + 9.40e3T^{2} \)
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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

−10.21735101533975811175471797498, −9.283344215072061965422371590803, −8.238449998800041417842749962357, −7.914639878485065635332475785174, −6.83898700471762055815892877019, −5.65252525487066338546150914348, −5.05216539821072750922469286912, −3.76113378699834344006311908953, −2.61030286069726663370913017003, −0.35695994527119149865775597786, 1.00850000526637438436678632404, 2.85909042467767985173156862007, 3.65113137355624163134453349108, 4.64477064551224697186470192410, 5.75171872432915283082823545292, 7.26292548058769680444969512756, 7.76247962227295377041725063548, 8.671726939617327790485965013867, 9.922414961054614290362849733849, 10.65124083456569072830556585208

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