Properties

Label 2-1520-1.1-c1-0-20
Degree $2$
Conductor $1520$
Sign $-1$
Analytic cond. $12.1372$
Root an. cond. $3.48385$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.73·3-s + 5-s − 2·7-s + 4.46·9-s + 3.46·11-s − 2.73·13-s − 2.73·15-s − 3.46·17-s − 19-s + 5.46·21-s + 3.46·23-s + 25-s − 3.99·27-s + 3.46·29-s + 1.46·31-s − 9.46·33-s − 2·35-s + 6.73·37-s + 7.46·39-s − 6·41-s + 4.92·43-s + 4.46·45-s − 12.9·47-s − 3·49-s + 9.46·51-s − 10.7·53-s + 3.46·55-s + ⋯
L(s)  = 1  − 1.57·3-s + 0.447·5-s − 0.755·7-s + 1.48·9-s + 1.04·11-s − 0.757·13-s − 0.705·15-s − 0.840·17-s − 0.229·19-s + 1.19·21-s + 0.722·23-s + 0.200·25-s − 0.769·27-s + 0.643·29-s + 0.262·31-s − 1.64·33-s − 0.338·35-s + 1.10·37-s + 1.19·39-s − 0.937·41-s + 0.751·43-s + 0.665·45-s − 1.88·47-s − 0.428·49-s + 1.32·51-s − 1.47·53-s + 0.467·55-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: no
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 \( 1 + 2.73T + 3T^{2} \)
7 \( 1 + 2T + 7T^{2} \)
11 \( 1 - 3.46T + 11T^{2} \)
13 \( 1 + 2.73T + 13T^{2} \)
17 \( 1 + 3.46T + 17T^{2} \)
23 \( 1 - 3.46T + 23T^{2} \)
29 \( 1 - 3.46T + 29T^{2} \)
31 \( 1 - 1.46T + 31T^{2} \)
37 \( 1 - 6.73T + 37T^{2} \)
41 \( 1 + 6T + 41T^{2} \)
43 \( 1 - 4.92T + 43T^{2} \)
47 \( 1 + 12.9T + 47T^{2} \)
53 \( 1 + 10.7T + 53T^{2} \)
59 \( 1 + 6.92T + 59T^{2} \)
61 \( 1 - 12.3T + 61T^{2} \)
67 \( 1 + 6.73T + 67T^{2} \)
71 \( 1 - 2.53T + 71T^{2} \)
73 \( 1 + 0.535T + 73T^{2} \)
79 \( 1 + 2.92T + 79T^{2} \)
83 \( 1 + 3.46T + 83T^{2} \)
89 \( 1 + 15.4T + 89T^{2} \)
97 \( 1 + 16.5T + 97T^{2} \)
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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

−9.473626759687787217798698177772, −8.300402196192609640328527693249, −6.86660222715208306520891890350, −6.65579464459071028814093729249, −5.90671211183201936218083933415, −4.96107038559969524165743387047, −4.27724304767652366185192285777, −2.88404529689345872012166958279, −1.38994657014257316200534284835, 0, 1.38994657014257316200534284835, 2.88404529689345872012166958279, 4.27724304767652366185192285777, 4.96107038559969524165743387047, 5.90671211183201936218083933415, 6.65579464459071028814093729249, 6.86660222715208306520891890350, 8.300402196192609640328527693249, 9.473626759687787217798698177772

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