Properties

Label 2-143e2-1.1-c1-0-4
Degree $2$
Conductor $20449$
Sign $-1$
Analytic cond. $163.286$
Root an. cond. $12.7783$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s − 2·4-s + 3·5-s − 2·9-s + 2·12-s − 3·15-s + 4·16-s − 6·20-s − 9·23-s + 4·25-s + 5·27-s + 5·31-s + 4·36-s − 7·37-s − 6·45-s + 12·47-s − 4·48-s − 7·49-s + 6·53-s + 15·59-s + 6·60-s − 8·64-s − 13·67-s + 9·69-s + 3·71-s − 4·75-s + 12·80-s + ⋯
L(s)  = 1  − 0.577·3-s − 4-s + 1.34·5-s − 2/3·9-s + 0.577·12-s − 0.774·15-s + 16-s − 1.34·20-s − 1.87·23-s + 4/5·25-s + 0.962·27-s + 0.898·31-s + 2/3·36-s − 1.15·37-s − 0.894·45-s + 1.75·47-s − 0.577·48-s − 49-s + 0.824·53-s + 1.95·59-s + 0.774·60-s − 64-s − 1.58·67-s + 1.08·69-s + 0.356·71-s − 0.461·75-s + 1.34·80-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 20449 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 20449 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(20449\)    =    \(11^{2} \cdot 13^{2}\)
Sign: $-1$
Analytic conductor: \(163.286\)
Root analytic conductor: \(12.7783\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 20449,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad11 \( 1 \)
13 \( 1 \)
good2 \( 1 + p T^{2} \)
3 \( 1 + T + p T^{2} \)
5 \( 1 - 3 T + p T^{2} \)
7 \( 1 + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + 9 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 - 5 T + p T^{2} \)
37 \( 1 + 7 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 + p T^{2} \)
47 \( 1 - 12 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 15 T + p T^{2} \)
61 \( 1 + p T^{2} \)
67 \( 1 + 13 T + p T^{2} \)
71 \( 1 - 3 T + p T^{2} \)
73 \( 1 + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 + p T^{2} \)
89 \( 1 - 9 T + p T^{2} \)
97 \( 1 + 17 T + p T^{2} \)
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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

−16.10732998539546, −15.29450753122936, −14.59426551602667, −14.08209299930730, −13.77445041498342, −13.38192266934316, −12.63011300871397, −12.08431855830962, −11.68206723376852, −10.72398152808914, −10.27015892568618, −9.873307867709100, −9.298092837204994, −8.598469995942681, −8.303128853060176, −7.400188387139721, −6.528492307191116, −5.939875254494539, −5.616951453488715, −5.053936534520119, −4.312949550982108, −3.596274921325540, −2.648773186143723, −1.937906770435351, −0.9642076691268300, 0, 0.9642076691268300, 1.937906770435351, 2.648773186143723, 3.596274921325540, 4.312949550982108, 5.053936534520119, 5.616951453488715, 5.939875254494539, 6.528492307191116, 7.400188387139721, 8.303128853060176, 8.598469995942681, 9.298092837204994, 9.873307867709100, 10.27015892568618, 10.72398152808914, 11.68206723376852, 12.08431855830962, 12.63011300871397, 13.38192266934316, 13.77445041498342, 14.08209299930730, 14.59426551602667, 15.29450753122936, 16.10732998539546

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