Properties

Label 2-1520-1.1-c1-0-33
Degree $2$
Conductor $1520$
Sign $-1$
Analytic cond. $12.1372$
Root an. cond. $3.48385$
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 + 7-s − 2·9-s − 3·13-s − 15-s − 7·17-s + 19-s + 21-s + 5·23-s + 25-s − 5·27-s − 5·29-s − 10·31-s − 35-s + 2·37-s − 3·39-s + 2·41-s − 6·43-s + 2·45-s − 6·49-s − 7·51-s + 9·53-s + 57-s + 7·59-s − 4·61-s − 2·63-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 0.377·7-s − 2/3·9-s − 0.832·13-s − 0.258·15-s − 1.69·17-s + 0.229·19-s + 0.218·21-s + 1.04·23-s + 1/5·25-s − 0.962·27-s − 0.928·29-s − 1.79·31-s − 0.169·35-s + 0.328·37-s − 0.480·39-s + 0.312·41-s − 0.914·43-s + 0.298·45-s − 6/7·49-s − 0.980·51-s + 1.23·53-s + 0.132·57-s + 0.911·59-s − 0.512·61-s − 0.251·63-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1520\)    =    \(2^{4} \cdot 5 \cdot 19\)
Sign: $-1$
Analytic conductor: \(12.1372\)
Root analytic conductor: \(3.48385\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1520,\ (\ :1/2),\ -1)\)

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 \( 1 \)
5 \( 1 + T \)
19 \( 1 - T \)
good3 \( 1 - T + p T^{2} \)
7 \( 1 - T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + 3 T + p T^{2} \)
17 \( 1 + 7 T + p T^{2} \)
23 \( 1 - 5 T + p T^{2} \)
29 \( 1 + 5 T + p T^{2} \)
31 \( 1 + 10 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 - 2 T + p T^{2} \)
43 \( 1 + 6 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 9 T + p T^{2} \)
59 \( 1 - 7 T + p T^{2} \)
61 \( 1 + 4 T + p T^{2} \)
67 \( 1 + 7 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 9 T + p T^{2} \)
79 \( 1 - 10 T + p T^{2} \)
83 \( 1 - 2 T + p T^{2} \)
89 \( 1 + 10 T + p T^{2} \)
97 \( 1 + 18 T + p T^{2} \)
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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

−8.986344066518000342261132341873, −8.383457982574818980118436160291, −7.46538735173325270822540586447, −6.90070996304036948382018633686, −5.66067580383108606923524721918, −4.83532426240809128297136495442, −3.87965890870913375486612471780, −2.86645041705704269131297649148, −1.93833527591949064825155603372, 0, 1.93833527591949064825155603372, 2.86645041705704269131297649148, 3.87965890870913375486612471780, 4.83532426240809128297136495442, 5.66067580383108606923524721918, 6.90070996304036948382018633686, 7.46538735173325270822540586447, 8.383457982574818980118436160291, 8.986344066518000342261132341873

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