Properties

Label 2-18240-1.1-c1-0-43
Degree $2$
Conductor $18240$
Sign $-1$
Analytic cond. $145.647$
Root an. cond. $12.0684$
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 + 5-s − 2·7-s + 9-s − 15-s − 2·17-s − 19-s + 2·21-s + 2·23-s + 25-s − 27-s − 2·29-s − 2·35-s − 8·37-s − 6·41-s + 10·43-s + 45-s + 10·47-s − 3·49-s + 2·51-s + 8·53-s + 57-s + 4·59-s + 2·61-s − 2·63-s + 4·67-s − 2·69-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s − 0.755·7-s + 1/3·9-s − 0.258·15-s − 0.485·17-s − 0.229·19-s + 0.436·21-s + 0.417·23-s + 1/5·25-s − 0.192·27-s − 0.371·29-s − 0.338·35-s − 1.31·37-s − 0.937·41-s + 1.52·43-s + 0.149·45-s + 1.45·47-s − 3/7·49-s + 0.280·51-s + 1.09·53-s + 0.132·57-s + 0.520·59-s + 0.256·61-s − 0.251·63-s + 0.488·67-s − 0.240·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 18240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 18240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(18240\)    =    \(2^{6} \cdot 3 \cdot 5 \cdot 19\)
Sign: $-1$
Analytic conductor: \(145.647\)
Root analytic conductor: \(12.0684\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 18240,\ (\ :1/2),\ -1)\)

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 \( 1 \)
3 \( 1 + T \)
5 \( 1 - T \)
19 \( 1 + T \)
good7 \( 1 + 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 2 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 8 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 - 10 T + p T^{2} \)
47 \( 1 - 10 T + p T^{2} \)
53 \( 1 - 8 T + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 - 2 T + p T^{2} \)
97 \( 1 + p T^{2} \)
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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

−16.02956637206014, −15.63695675633897, −15.06454168880357, −14.39848361200865, −13.71509255984484, −13.32319703494620, −12.70802317731547, −12.28707597839246, −11.65780775942024, −10.96641642698669, −10.48886829996151, −10.01231749038128, −9.271766142879187, −8.914184432891972, −8.144053314166000, −7.225959558251208, −6.856766220784965, −6.243067497422725, −5.587155488394908, −5.116772118605875, −4.218671237112946, −3.628727814416702, −2.722336122586438, −2.013173898278451, −0.9993884895165477, 0, 0.9993884895165477, 2.013173898278451, 2.722336122586438, 3.628727814416702, 4.218671237112946, 5.116772118605875, 5.587155488394908, 6.243067497422725, 6.856766220784965, 7.225959558251208, 8.144053314166000, 8.914184432891972, 9.271766142879187, 10.01231749038128, 10.48886829996151, 10.96641642698669, 11.65780775942024, 12.28707597839246, 12.70802317731547, 13.32319703494620, 13.71509255984484, 14.39848361200865, 15.06454168880357, 15.63695675633897, 16.02956637206014

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