Properties

Label 2-20286-1.1-c1-0-55
Degree $2$
Conductor $20286$
Sign $-1$
Analytic cond. $161.984$
Root an. cond. $12.7273$
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  − 2-s + 4-s + 2·5-s − 8-s − 2·10-s + 3·11-s + 2·13-s + 16-s − 17-s − 8·19-s + 2·20-s − 3·22-s − 23-s − 25-s − 2·26-s + 29-s − 2·31-s − 32-s + 34-s + 10·37-s + 8·38-s − 2·40-s − 10·41-s + 6·43-s + 3·44-s + 46-s + 3·47-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 0.894·5-s − 0.353·8-s − 0.632·10-s + 0.904·11-s + 0.554·13-s + 1/4·16-s − 0.242·17-s − 1.83·19-s + 0.447·20-s − 0.639·22-s − 0.208·23-s − 1/5·25-s − 0.392·26-s + 0.185·29-s − 0.359·31-s − 0.176·32-s + 0.171·34-s + 1.64·37-s + 1.29·38-s − 0.316·40-s − 1.56·41-s + 0.914·43-s + 0.452·44-s + 0.147·46-s + 0.437·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 20286 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 20286 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(20286\)    =    \(2 \cdot 3^{2} \cdot 7^{2} \cdot 23\)
Sign: $-1$
Analytic conductor: \(161.984\)
Root analytic conductor: \(12.7273\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 20286,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 + T \)
3 \( 1 \)
7 \( 1 \)
23 \( 1 + T \)
good5 \( 1 - 2 T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + T + p T^{2} \)
19 \( 1 + 8 T + p T^{2} \)
29 \( 1 - T + p T^{2} \)
31 \( 1 + 2 T + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 - 6 T + p T^{2} \)
47 \( 1 - 3 T + p T^{2} \)
53 \( 1 + 12 T + p T^{2} \)
59 \( 1 + 12 T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 - 5 T + p T^{2} \)
73 \( 1 + 13 T + p T^{2} \)
79 \( 1 - 15 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−16.04239796923134, −15.39222020412985, −14.79547900988473, −14.43485458367706, −13.64039251400437, −13.30105941289244, −12.54861571030463, −12.12710162766386, −11.20477848979415, −11.01984415702867, −10.24397538739891, −9.821241741693774, −9.078616669513007, −8.864682542550758, −8.124138172161338, −7.514378748625588, −6.634777561251201, −6.194254891330721, −5.953166899226322, −4.841009177289289, −4.188681329346450, −3.437468572339283, −2.457238235943097, −1.873129551214916, −1.197038885161425, 0, 1.197038885161425, 1.873129551214916, 2.457238235943097, 3.437468572339283, 4.188681329346450, 4.841009177289289, 5.953166899226322, 6.194254891330721, 6.634777561251201, 7.514378748625588, 8.124138172161338, 8.864682542550758, 9.078616669513007, 9.821241741693774, 10.24397538739891, 11.01984415702867, 11.20477848979415, 12.12710162766386, 12.54861571030463, 13.30105941289244, 13.64039251400437, 14.43485458367706, 14.79547900988473, 15.39222020412985, 16.04239796923134

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