Properties

Label 2-2015-1.1-c3-0-263
Degree $2$
Conductor $2015$
Sign $-1$
Analytic cond. $118.888$
Root an. cond. $10.9036$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5.15·2-s + 4.91·3-s + 18.5·4-s − 5·5-s − 25.3·6-s + 12.2·7-s − 54.5·8-s − 2.81·9-s + 25.7·10-s + 0.204·11-s + 91.4·12-s − 13·13-s − 63.0·14-s − 24.5·15-s + 132.·16-s + 116.·17-s + 14.5·18-s − 19.1·19-s − 92.9·20-s + 60.0·21-s − 1.05·22-s − 162.·23-s − 268.·24-s + 25·25-s + 67.0·26-s − 146.·27-s + 227.·28-s + ⋯
L(s)  = 1  − 1.82·2-s + 0.946·3-s + 2.32·4-s − 0.447·5-s − 1.72·6-s + 0.659·7-s − 2.41·8-s − 0.104·9-s + 0.815·10-s + 0.00560·11-s + 2.19·12-s − 0.277·13-s − 1.20·14-s − 0.423·15-s + 2.07·16-s + 1.65·17-s + 0.189·18-s − 0.230·19-s − 1.03·20-s + 0.624·21-s − 0.0102·22-s − 1.47·23-s − 2.28·24-s + 0.200·25-s + 0.505·26-s − 1.04·27-s + 1.53·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2015 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2015 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2015\)    =    \(5 \cdot 13 \cdot 31\)
Sign: $-1$
Analytic conductor: \(118.888\)
Root analytic conductor: \(10.9036\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 2015,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + 5T \)
13 \( 1 + 13T \)
31 \( 1 - 31T \)
good2 \( 1 + 5.15T + 8T^{2} \)
3 \( 1 - 4.91T + 27T^{2} \)
7 \( 1 - 12.2T + 343T^{2} \)
11 \( 1 - 0.204T + 1.33e3T^{2} \)
17 \( 1 - 116.T + 4.91e3T^{2} \)
19 \( 1 + 19.1T + 6.85e3T^{2} \)
23 \( 1 + 162.T + 1.21e4T^{2} \)
29 \( 1 - 40.9T + 2.43e4T^{2} \)
37 \( 1 - 6.38T + 5.06e4T^{2} \)
41 \( 1 - 47.2T + 6.89e4T^{2} \)
43 \( 1 + 221.T + 7.95e4T^{2} \)
47 \( 1 - 393.T + 1.03e5T^{2} \)
53 \( 1 - 321.T + 1.48e5T^{2} \)
59 \( 1 - 173.T + 2.05e5T^{2} \)
61 \( 1 + 691.T + 2.26e5T^{2} \)
67 \( 1 + 415.T + 3.00e5T^{2} \)
71 \( 1 - 608.T + 3.57e5T^{2} \)
73 \( 1 - 1.19e3T + 3.89e5T^{2} \)
79 \( 1 + 682.T + 4.93e5T^{2} \)
83 \( 1 + 650.T + 5.71e5T^{2} \)
89 \( 1 - 651.T + 7.04e5T^{2} \)
97 \( 1 + 1.24e3T + 9.12e5T^{2} \)
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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

−8.337744978983126664358291383400, −7.87132809845025489493821749344, −7.50444123639571310198022674002, −6.39527213327364267745629094372, −5.40550907413986819713020961968, −3.95127519446271446316379340324, −2.95634741945509753619501759978, −2.11541052730486038328816671340, −1.18455938015339898843110371371, 0, 1.18455938015339898843110371371, 2.11541052730486038328816671340, 2.95634741945509753619501759978, 3.95127519446271446316379340324, 5.40550907413986819713020961968, 6.39527213327364267745629094372, 7.50444123639571310198022674002, 7.87132809845025489493821749344, 8.337744978983126664358291383400

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