Properties

Label 2-143e2-1.1-c1-0-1
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 2·3-s − 4-s − 5-s + 2·6-s − 2·7-s − 3·8-s + 9-s − 10-s − 2·12-s − 2·14-s − 2·15-s − 16-s + 5·17-s + 18-s + 6·19-s + 20-s − 4·21-s + 2·23-s − 6·24-s − 4·25-s − 4·27-s + 2·28-s − 9·29-s − 2·30-s + 2·31-s + 5·32-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.15·3-s − 1/2·4-s − 0.447·5-s + 0.816·6-s − 0.755·7-s − 1.06·8-s + 1/3·9-s − 0.316·10-s − 0.577·12-s − 0.534·14-s − 0.516·15-s − 1/4·16-s + 1.21·17-s + 0.235·18-s + 1.37·19-s + 0.223·20-s − 0.872·21-s + 0.417·23-s − 1.22·24-s − 4/5·25-s − 0.769·27-s + 0.377·28-s − 1.67·29-s − 0.365·30-s + 0.359·31-s + 0.883·32-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: \(0\)
Selberg data: \((2,\ 20449,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.545561844\)
\(L(\frac12)\) \(\approx\) \(2.545561844\)
\(L(\frac{3}{2})\) 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 \( 1 - T + p T^{2} \)
3 \( 1 - 2 T + p T^{2} \)
5 \( 1 + T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
17 \( 1 - 5 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 - 2 T + p T^{2} \)
29 \( 1 + 9 T + p T^{2} \)
31 \( 1 - 2 T + p T^{2} \)
37 \( 1 - 3 T + p T^{2} \)
41 \( 1 + 5 T + p T^{2} \)
43 \( 1 + p T^{2} \)
47 \( 1 + 2 T + p T^{2} \)
53 \( 1 - 9 T + p T^{2} \)
59 \( 1 + 8 T + p T^{2} \)
61 \( 1 + 6 T + p T^{2} \)
67 \( 1 + 2 T + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 - 10 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 - 9 T + p T^{2} \)
97 \( 1 - 13 T + p T^{2} \)
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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

−15.37635603374626, −14.90090805653959, −14.58662010403816, −13.93002062073324, −13.43977179113303, −13.22548874401430, −12.49764406550026, −11.81510468700938, −11.63577474692643, −10.54558022592982, −9.789410504167825, −9.444224046830106, −9.041899154971132, −8.304968935557827, −7.648998237791104, −7.411938315813778, −6.323587987346882, −5.713149789528768, −5.198847110888931, −4.339524630871453, −3.544639867568488, −3.368043352290190, −2.820202400979652, −1.733284432737575, −0.5422377415320416, 0.5422377415320416, 1.733284432737575, 2.820202400979652, 3.368043352290190, 3.544639867568488, 4.339524630871453, 5.198847110888931, 5.713149789528768, 6.323587987346882, 7.411938315813778, 7.648998237791104, 8.304968935557827, 9.041899154971132, 9.444224046830106, 9.789410504167825, 10.54558022592982, 11.63577474692643, 11.81510468700938, 12.49764406550026, 13.22548874401430, 13.43977179113303, 13.93002062073324, 14.58662010403816, 14.90090805653959, 15.37635603374626

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