Properties

Label 2-2015-1.1-c3-0-291
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  + 5.11·2-s − 8.22·3-s + 18.1·4-s − 5·5-s − 42.0·6-s − 10.3·7-s + 51.8·8-s + 40.6·9-s − 25.5·10-s + 2.41·11-s − 149.·12-s − 13·13-s − 52.8·14-s + 41.1·15-s + 120.·16-s − 23.6·17-s + 208.·18-s + 148.·19-s − 90.7·20-s + 85.0·21-s + 12.3·22-s − 48.4·23-s − 426.·24-s + 25·25-s − 66.4·26-s − 112.·27-s − 187.·28-s + ⋯
L(s)  = 1  + 1.80·2-s − 1.58·3-s + 2.26·4-s − 0.447·5-s − 2.86·6-s − 0.558·7-s + 2.29·8-s + 1.50·9-s − 0.808·10-s + 0.0661·11-s − 3.59·12-s − 0.277·13-s − 1.00·14-s + 0.708·15-s + 1.87·16-s − 0.337·17-s + 2.72·18-s + 1.79·19-s − 1.01·20-s + 0.883·21-s + 0.119·22-s − 0.439·23-s − 3.63·24-s + 0.200·25-s − 0.501·26-s − 0.803·27-s − 1.26·28-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 \( 1 - 5.11T + 8T^{2} \)
3 \( 1 + 8.22T + 27T^{2} \)
7 \( 1 + 10.3T + 343T^{2} \)
11 \( 1 - 2.41T + 1.33e3T^{2} \)
17 \( 1 + 23.6T + 4.91e3T^{2} \)
19 \( 1 - 148.T + 6.85e3T^{2} \)
23 \( 1 + 48.4T + 1.21e4T^{2} \)
29 \( 1 - 10.3T + 2.43e4T^{2} \)
37 \( 1 + 47.0T + 5.06e4T^{2} \)
41 \( 1 - 466.T + 6.89e4T^{2} \)
43 \( 1 + 542.T + 7.95e4T^{2} \)
47 \( 1 + 241.T + 1.03e5T^{2} \)
53 \( 1 + 41.1T + 1.48e5T^{2} \)
59 \( 1 + 291.T + 2.05e5T^{2} \)
61 \( 1 - 163.T + 2.26e5T^{2} \)
67 \( 1 - 636.T + 3.00e5T^{2} \)
71 \( 1 - 538.T + 3.57e5T^{2} \)
73 \( 1 + 603.T + 3.89e5T^{2} \)
79 \( 1 + 221.T + 4.93e5T^{2} \)
83 \( 1 + 1.03e3T + 5.71e5T^{2} \)
89 \( 1 + 753.T + 7.04e5T^{2} \)
97 \( 1 + 189.T + 9.12e5T^{2} \)
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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

−7.937272368682863465884182450120, −7.01753916987006626929382184764, −6.57865037868301664348407325916, −5.76863925963013143110020294619, −5.19989888575987641422105745275, −4.53846194553031230111700950471, −3.67066492723671807516200742330, −2.80048742552271255469022060556, −1.33616139759585960744521614157, 0, 1.33616139759585960744521614157, 2.80048742552271255469022060556, 3.67066492723671807516200742330, 4.53846194553031230111700950471, 5.19989888575987641422105745275, 5.76863925963013143110020294619, 6.57865037868301664348407325916, 7.01753916987006626929382184764, 7.937272368682863465884182450120

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