Properties

Label 2-1638-1.1-c3-0-36
Degree $2$
Conductor $1638$
Sign $1$
Analytic cond. $96.6451$
Root an. cond. $9.83082$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 4·4-s + 12·5-s + 7·7-s − 8·8-s − 24·10-s + 50·11-s − 13·13-s − 14·14-s + 16·16-s + 58·17-s − 40·19-s + 48·20-s − 100·22-s + 64·23-s + 19·25-s + 26·26-s + 28·28-s + 110·29-s + 124·31-s − 32·32-s − 116·34-s + 84·35-s − 50·37-s + 80·38-s − 96·40-s − 84·41-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 1.07·5-s + 0.377·7-s − 0.353·8-s − 0.758·10-s + 1.37·11-s − 0.277·13-s − 0.267·14-s + 1/4·16-s + 0.827·17-s − 0.482·19-s + 0.536·20-s − 0.969·22-s + 0.580·23-s + 0.151·25-s + 0.196·26-s + 0.188·28-s + 0.704·29-s + 0.718·31-s − 0.176·32-s − 0.585·34-s + 0.405·35-s − 0.222·37-s + 0.341·38-s − 0.379·40-s − 0.319·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1638 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1638 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1638\)    =    \(2 \cdot 3^{2} \cdot 7 \cdot 13\)
Sign: $1$
Analytic conductor: \(96.6451\)
Root analytic conductor: \(9.83082\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1638,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.461188473\)
\(L(\frac12)\) \(\approx\) \(2.461188473\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p T \)
3 \( 1 \)
7 \( 1 - p T \)
13 \( 1 + p T \)
good5 \( 1 - 12 T + p^{3} T^{2} \)
11 \( 1 - 50 T + p^{3} T^{2} \)
17 \( 1 - 58 T + p^{3} T^{2} \)
19 \( 1 + 40 T + p^{3} T^{2} \)
23 \( 1 - 64 T + p^{3} T^{2} \)
29 \( 1 - 110 T + p^{3} T^{2} \)
31 \( 1 - 4 p T + p^{3} T^{2} \)
37 \( 1 + 50 T + p^{3} T^{2} \)
41 \( 1 + 84 T + p^{3} T^{2} \)
43 \( 1 + 12 T + p^{3} T^{2} \)
47 \( 1 - 82 T + p^{3} T^{2} \)
53 \( 1 - 442 T + p^{3} T^{2} \)
59 \( 1 - 618 T + p^{3} T^{2} \)
61 \( 1 + 278 T + p^{3} T^{2} \)
67 \( 1 - 20 T + p^{3} T^{2} \)
71 \( 1 - 390 T + p^{3} T^{2} \)
73 \( 1 + 2 T + p^{3} T^{2} \)
79 \( 1 + 680 T + p^{3} T^{2} \)
83 \( 1 + 322 T + p^{3} T^{2} \)
89 \( 1 + 968 T + p^{3} T^{2} \)
97 \( 1 - 1022 T + p^{3} T^{2} \)
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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

−8.979107139181802914279472595706, −8.491346640315099574551547128670, −7.41270392717720456475545357131, −6.62867995633400095719349312110, −5.96376053363551765129790756314, −5.04996051734227734403239141167, −3.90399395467728576403003254967, −2.68218841865384642607123064299, −1.69744418920316327205172004387, −0.901867459137294766704125628510, 0.901867459137294766704125628510, 1.69744418920316327205172004387, 2.68218841865384642607123064299, 3.90399395467728576403003254967, 5.04996051734227734403239141167, 5.96376053363551765129790756314, 6.62867995633400095719349312110, 7.41270392717720456475545357131, 8.491346640315099574551547128670, 8.979107139181802914279472595706

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