Properties

Label 2-2015-1.1-c3-0-275
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  − 2.31·2-s + 8.67·3-s − 2.62·4-s − 5·5-s − 20.1·6-s − 21.6·7-s + 24.6·8-s + 48.3·9-s + 11.5·10-s + 27.9·11-s − 22.7·12-s − 13·13-s + 50.3·14-s − 43.3·15-s − 36.1·16-s − 63.4·17-s − 112.·18-s + 34.1·19-s + 13.1·20-s − 188.·21-s − 64.9·22-s − 1.61·23-s + 213.·24-s + 25·25-s + 30.1·26-s + 185.·27-s + 56.8·28-s + ⋯
L(s)  = 1  − 0.820·2-s + 1.67·3-s − 0.327·4-s − 0.447·5-s − 1.36·6-s − 1.17·7-s + 1.08·8-s + 1.79·9-s + 0.366·10-s + 0.767·11-s − 0.547·12-s − 0.277·13-s + 0.960·14-s − 0.747·15-s − 0.565·16-s − 0.905·17-s − 1.46·18-s + 0.412·19-s + 0.146·20-s − 1.95·21-s − 0.629·22-s − 0.0146·23-s + 1.81·24-s + 0.200·25-s + 0.227·26-s + 1.32·27-s + 0.383·28-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 \( 1 + 2.31T + 8T^{2} \)
3 \( 1 - 8.67T + 27T^{2} \)
7 \( 1 + 21.6T + 343T^{2} \)
11 \( 1 - 27.9T + 1.33e3T^{2} \)
17 \( 1 + 63.4T + 4.91e3T^{2} \)
19 \( 1 - 34.1T + 6.85e3T^{2} \)
23 \( 1 + 1.61T + 1.21e4T^{2} \)
29 \( 1 - 155.T + 2.43e4T^{2} \)
37 \( 1 - 8.86T + 5.06e4T^{2} \)
41 \( 1 - 135.T + 6.89e4T^{2} \)
43 \( 1 + 342.T + 7.95e4T^{2} \)
47 \( 1 + 433.T + 1.03e5T^{2} \)
53 \( 1 - 20.0T + 1.48e5T^{2} \)
59 \( 1 - 270.T + 2.05e5T^{2} \)
61 \( 1 - 22.2T + 2.26e5T^{2} \)
67 \( 1 - 226.T + 3.00e5T^{2} \)
71 \( 1 - 1.16e3T + 3.57e5T^{2} \)
73 \( 1 + 989.T + 3.89e5T^{2} \)
79 \( 1 - 1.22e3T + 4.93e5T^{2} \)
83 \( 1 + 1.08e3T + 5.71e5T^{2} \)
89 \( 1 + 535.T + 7.04e5T^{2} \)
97 \( 1 - 902.T + 9.12e5T^{2} \)
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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

−8.512108033262246837559457462127, −7.974298268988476565533855078903, −7.07033543255747366757472866070, −6.52710378930347752532327415944, −4.85305614191162107961678612444, −3.98581033743246001709415703496, −3.34854538387951895507598651313, −2.40234919996679594601883770650, −1.23903232716149343525751683283, 0, 1.23903232716149343525751683283, 2.40234919996679594601883770650, 3.34854538387951895507598651313, 3.98581033743246001709415703496, 4.85305614191162107961678612444, 6.52710378930347752532327415944, 7.07033543255747366757472866070, 7.974298268988476565533855078903, 8.512108033262246837559457462127

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