Properties

Label 2-2015-1.1-c3-0-317
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  − 4.22·2-s + 8.50·3-s + 9.87·4-s − 5·5-s − 35.9·6-s + 15.5·7-s − 7.92·8-s + 45.3·9-s + 21.1·10-s + 16.8·11-s + 83.9·12-s − 13·13-s − 65.7·14-s − 42.5·15-s − 45.4·16-s + 23.6·17-s − 191.·18-s − 70.6·19-s − 49.3·20-s + 132.·21-s − 71.2·22-s + 35.4·23-s − 67.3·24-s + 25·25-s + 54.9·26-s + 155.·27-s + 153.·28-s + ⋯
L(s)  = 1  − 1.49·2-s + 1.63·3-s + 1.23·4-s − 0.447·5-s − 2.44·6-s + 0.840·7-s − 0.350·8-s + 1.67·9-s + 0.668·10-s + 0.462·11-s + 2.01·12-s − 0.277·13-s − 1.25·14-s − 0.731·15-s − 0.710·16-s + 0.337·17-s − 2.50·18-s − 0.852·19-s − 0.551·20-s + 1.37·21-s − 0.690·22-s + 0.321·23-s − 0.572·24-s + 0.200·25-s + 0.414·26-s + 1.11·27-s + 1.03·28-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 \( 1 + 4.22T + 8T^{2} \)
3 \( 1 - 8.50T + 27T^{2} \)
7 \( 1 - 15.5T + 343T^{2} \)
11 \( 1 - 16.8T + 1.33e3T^{2} \)
17 \( 1 - 23.6T + 4.91e3T^{2} \)
19 \( 1 + 70.6T + 6.85e3T^{2} \)
23 \( 1 - 35.4T + 1.21e4T^{2} \)
29 \( 1 + 285.T + 2.43e4T^{2} \)
37 \( 1 + 50.3T + 5.06e4T^{2} \)
41 \( 1 + 228.T + 6.89e4T^{2} \)
43 \( 1 + 420.T + 7.95e4T^{2} \)
47 \( 1 + 554.T + 1.03e5T^{2} \)
53 \( 1 - 162.T + 1.48e5T^{2} \)
59 \( 1 + 4.85T + 2.05e5T^{2} \)
61 \( 1 + 180.T + 2.26e5T^{2} \)
67 \( 1 - 414.T + 3.00e5T^{2} \)
71 \( 1 + 1.01e3T + 3.57e5T^{2} \)
73 \( 1 + 172.T + 3.89e5T^{2} \)
79 \( 1 + 180.T + 4.93e5T^{2} \)
83 \( 1 - 974.T + 5.71e5T^{2} \)
89 \( 1 + 555.T + 7.04e5T^{2} \)
97 \( 1 - 105.T + 9.12e5T^{2} \)
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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

−8.467913829710126287806788672761, −7.933948034964519279271831658021, −7.37843994602097213242062996588, −6.61092962669697086315571805000, −4.98409573980624943730699272345, −4.03723473410670629333565820204, −3.13153450109243405606322113549, −1.96425639173264786392580844587, −1.49750962847389792902876129662, 0, 1.49750962847389792902876129662, 1.96425639173264786392580844587, 3.13153450109243405606322113549, 4.03723473410670629333565820204, 4.98409573980624943730699272345, 6.61092962669697086315571805000, 7.37843994602097213242062996588, 7.933948034964519279271831658021, 8.467913829710126287806788672761

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