Properties

Label 2-1638-1.1-c3-0-45
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 4·4-s − 9·5-s − 7·7-s − 8·8-s + 18·10-s − 62·11-s − 13·13-s + 14·14-s + 16·16-s + 16·17-s + 79·19-s − 36·20-s + 124·22-s + 155·23-s − 44·25-s + 26·26-s − 28·28-s − 51·29-s + 243·31-s − 32·32-s − 32·34-s + 63·35-s + 412·37-s − 158·38-s + 72·40-s + 406·41-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s − 0.804·5-s − 0.377·7-s − 0.353·8-s + 0.569·10-s − 1.69·11-s − 0.277·13-s + 0.267·14-s + 1/4·16-s + 0.228·17-s + 0.953·19-s − 0.402·20-s + 1.20·22-s + 1.40·23-s − 0.351·25-s + 0.196·26-s − 0.188·28-s − 0.326·29-s + 1.40·31-s − 0.176·32-s − 0.161·34-s + 0.304·35-s + 1.83·37-s − 0.674·38-s + 0.284·40-s + 1.54·41-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: \(1\)
Selberg data: \((2,\ 1638,\ (\ :3/2),\ -1)\)

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 \( 1 + p T \)
3 \( 1 \)
7 \( 1 + p T \)
13 \( 1 + p T \)
good5 \( 1 + 9 T + p^{3} T^{2} \)
11 \( 1 + 62 T + p^{3} T^{2} \)
17 \( 1 - 16 T + p^{3} T^{2} \)
19 \( 1 - 79 T + p^{3} T^{2} \)
23 \( 1 - 155 T + p^{3} T^{2} \)
29 \( 1 + 51 T + p^{3} T^{2} \)
31 \( 1 - 243 T + p^{3} T^{2} \)
37 \( 1 - 412 T + p^{3} T^{2} \)
41 \( 1 - 406 T + p^{3} T^{2} \)
43 \( 1 + 103 T + p^{3} T^{2} \)
47 \( 1 + 429 T + p^{3} T^{2} \)
53 \( 1 - 169 T + p^{3} T^{2} \)
59 \( 1 + 320 T + p^{3} T^{2} \)
61 \( 1 + 614 T + p^{3} T^{2} \)
67 \( 1 - 258 T + p^{3} T^{2} \)
71 \( 1 - 264 T + p^{3} T^{2} \)
73 \( 1 + 121 T + p^{3} T^{2} \)
79 \( 1 + 967 T + p^{3} T^{2} \)
83 \( 1 - 679 T + p^{3} T^{2} \)
89 \( 1 + 1059 T + p^{3} T^{2} \)
97 \( 1 + 21 T + p^{3} T^{2} \)
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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

−8.499970430518192937434054774627, −7.67730852035444639423588825345, −7.49427064250290607775544949669, −6.31879624562593299830106840822, −5.36700794902767348320746914302, −4.47936544247226284264361702468, −3.15334832340702267483542245949, −2.60145922115317657998030684961, −0.982560490204876454984949843947, 0, 0.982560490204876454984949843947, 2.60145922115317657998030684961, 3.15334832340702267483542245949, 4.47936544247226284264361702468, 5.36700794902767348320746914302, 6.31879624562593299830106840822, 7.49427064250290607775544949669, 7.67730852035444639423588825345, 8.499970430518192937434054774627

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