Properties

Label 2-2015-1.1-c3-0-319
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  + 2.15·2-s + 6.64·3-s − 3.34·4-s − 5·5-s + 14.3·6-s + 2.49·7-s − 24.4·8-s + 17.1·9-s − 10.7·10-s + 3.28·11-s − 22.2·12-s − 13·13-s + 5.38·14-s − 33.2·15-s − 26.0·16-s + 57.2·17-s + 37.0·18-s + 75.7·19-s + 16.7·20-s + 16.5·21-s + 7.08·22-s + 48.5·23-s − 162.·24-s + 25·25-s − 28.0·26-s − 65.4·27-s − 8.34·28-s + ⋯
L(s)  = 1  + 0.762·2-s + 1.27·3-s − 0.417·4-s − 0.447·5-s + 0.975·6-s + 0.134·7-s − 1.08·8-s + 0.635·9-s − 0.341·10-s + 0.0900·11-s − 0.534·12-s − 0.277·13-s + 0.102·14-s − 0.571·15-s − 0.407·16-s + 0.817·17-s + 0.484·18-s + 0.914·19-s + 0.186·20-s + 0.172·21-s + 0.0686·22-s + 0.439·23-s − 1.38·24-s + 0.200·25-s − 0.211·26-s − 0.466·27-s − 0.0562·28-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 \( 1 - 2.15T + 8T^{2} \)
3 \( 1 - 6.64T + 27T^{2} \)
7 \( 1 - 2.49T + 343T^{2} \)
11 \( 1 - 3.28T + 1.33e3T^{2} \)
17 \( 1 - 57.2T + 4.91e3T^{2} \)
19 \( 1 - 75.7T + 6.85e3T^{2} \)
23 \( 1 - 48.5T + 1.21e4T^{2} \)
29 \( 1 + 188.T + 2.43e4T^{2} \)
37 \( 1 + 173.T + 5.06e4T^{2} \)
41 \( 1 + 350.T + 6.89e4T^{2} \)
43 \( 1 - 67.5T + 7.95e4T^{2} \)
47 \( 1 - 109.T + 1.03e5T^{2} \)
53 \( 1 - 303.T + 1.48e5T^{2} \)
59 \( 1 + 599.T + 2.05e5T^{2} \)
61 \( 1 + 433.T + 2.26e5T^{2} \)
67 \( 1 + 711.T + 3.00e5T^{2} \)
71 \( 1 - 62.3T + 3.57e5T^{2} \)
73 \( 1 - 22.9T + 3.89e5T^{2} \)
79 \( 1 + 8.19T + 4.93e5T^{2} \)
83 \( 1 + 445.T + 5.71e5T^{2} \)
89 \( 1 + 367.T + 7.04e5T^{2} \)
97 \( 1 - 879.T + 9.12e5T^{2} \)
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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

−8.370905007304959479226946877316, −7.76889693509293814299453272862, −6.99568638283132147957347998393, −5.75037289985073845099296150819, −5.05427961319820539315838862254, −4.10206762818350806926364765828, −3.36009080386947440727205195047, −2.86841582397445372144182407593, −1.50765447609246586324240397202, 0, 1.50765447609246586324240397202, 2.86841582397445372144182407593, 3.36009080386947440727205195047, 4.10206762818350806926364765828, 5.05427961319820539315838862254, 5.75037289985073845099296150819, 6.99568638283132147957347998393, 7.76889693509293814299453272862, 8.370905007304959479226946877316

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