Properties

Label 2-2015-1.1-c3-0-92
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  − 1.47·2-s − 9.15·3-s − 5.82·4-s − 5·5-s + 13.4·6-s − 16.2·7-s + 20.3·8-s + 56.7·9-s + 7.36·10-s − 13.4·11-s + 53.3·12-s − 13·13-s + 24.0·14-s + 45.7·15-s + 16.6·16-s − 128.·17-s − 83.6·18-s − 57.6·19-s + 29.1·20-s + 149.·21-s + 19.7·22-s − 103.·23-s − 186.·24-s + 25·25-s + 19.1·26-s − 272.·27-s + 94.9·28-s + ⋯
L(s)  = 1  − 0.520·2-s − 1.76·3-s − 0.728·4-s − 0.447·5-s + 0.917·6-s − 0.879·7-s + 0.900·8-s + 2.10·9-s + 0.232·10-s − 0.368·11-s + 1.28·12-s − 0.277·13-s + 0.458·14-s + 0.787·15-s + 0.259·16-s − 1.82·17-s − 1.09·18-s − 0.696·19-s + 0.325·20-s + 1.54·21-s + 0.191·22-s − 0.935·23-s − 1.58·24-s + 0.200·25-s + 0.144·26-s − 1.94·27-s + 0.640·28-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 \( 1 + 1.47T + 8T^{2} \)
3 \( 1 + 9.15T + 27T^{2} \)
7 \( 1 + 16.2T + 343T^{2} \)
11 \( 1 + 13.4T + 1.33e3T^{2} \)
17 \( 1 + 128.T + 4.91e3T^{2} \)
19 \( 1 + 57.6T + 6.85e3T^{2} \)
23 \( 1 + 103.T + 1.21e4T^{2} \)
29 \( 1 + 31.6T + 2.43e4T^{2} \)
37 \( 1 + 111.T + 5.06e4T^{2} \)
41 \( 1 + 18.8T + 6.89e4T^{2} \)
43 \( 1 + 410.T + 7.95e4T^{2} \)
47 \( 1 - 479.T + 1.03e5T^{2} \)
53 \( 1 + 20.7T + 1.48e5T^{2} \)
59 \( 1 + 235.T + 2.05e5T^{2} \)
61 \( 1 - 451.T + 2.26e5T^{2} \)
67 \( 1 - 125.T + 3.00e5T^{2} \)
71 \( 1 - 248.T + 3.57e5T^{2} \)
73 \( 1 + 458.T + 3.89e5T^{2} \)
79 \( 1 - 889.T + 4.93e5T^{2} \)
83 \( 1 - 503.T + 5.71e5T^{2} \)
89 \( 1 - 504.T + 7.04e5T^{2} \)
97 \( 1 + 122.T + 9.12e5T^{2} \)
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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

−8.501022268261229065146835325937, −7.50516933480050754598823419165, −6.70317003597400527266417580002, −6.14119573130651484688962023642, −5.11516836347831338121653590256, −4.51434676087816684838249662034, −3.74489151505508219400271289278, −2.01417399359480384319768782455, −0.55325331516303581197494787915, 0, 0.55325331516303581197494787915, 2.01417399359480384319768782455, 3.74489151505508219400271289278, 4.51434676087816684838249662034, 5.11516836347831338121653590256, 6.14119573130651484688962023642, 6.70317003597400527266417580002, 7.50516933480050754598823419165, 8.501022268261229065146835325937

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