Properties

Label 2-2015-1.1-c3-0-347
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  + 3.68·2-s + 5.94·3-s + 5.54·4-s − 5·5-s + 21.8·6-s + 18.5·7-s − 9.02·8-s + 8.34·9-s − 18.4·10-s − 9.43·11-s + 32.9·12-s − 13·13-s + 68.3·14-s − 29.7·15-s − 77.6·16-s + 20.8·17-s + 30.7·18-s − 156.·19-s − 27.7·20-s + 110.·21-s − 34.7·22-s − 145.·23-s − 53.6·24-s + 25·25-s − 47.8·26-s − 110.·27-s + 102.·28-s + ⋯
L(s)  = 1  + 1.30·2-s + 1.14·3-s + 0.693·4-s − 0.447·5-s + 1.48·6-s + 1.00·7-s − 0.398·8-s + 0.309·9-s − 0.581·10-s − 0.258·11-s + 0.793·12-s − 0.277·13-s + 1.30·14-s − 0.511·15-s − 1.21·16-s + 0.298·17-s + 0.402·18-s − 1.89·19-s − 0.310·20-s + 1.14·21-s − 0.336·22-s − 1.32·23-s − 0.456·24-s + 0.200·25-s − 0.360·26-s − 0.790·27-s + 0.694·28-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 \( 1 - 3.68T + 8T^{2} \)
3 \( 1 - 5.94T + 27T^{2} \)
7 \( 1 - 18.5T + 343T^{2} \)
11 \( 1 + 9.43T + 1.33e3T^{2} \)
17 \( 1 - 20.8T + 4.91e3T^{2} \)
19 \( 1 + 156.T + 6.85e3T^{2} \)
23 \( 1 + 145.T + 1.21e4T^{2} \)
29 \( 1 - 111.T + 2.43e4T^{2} \)
37 \( 1 + 33.3T + 5.06e4T^{2} \)
41 \( 1 + 24.5T + 6.89e4T^{2} \)
43 \( 1 - 116.T + 7.95e4T^{2} \)
47 \( 1 + 590.T + 1.03e5T^{2} \)
53 \( 1 - 49.7T + 1.48e5T^{2} \)
59 \( 1 - 492.T + 2.05e5T^{2} \)
61 \( 1 - 254.T + 2.26e5T^{2} \)
67 \( 1 + 1.07e3T + 3.00e5T^{2} \)
71 \( 1 - 134.T + 3.57e5T^{2} \)
73 \( 1 + 124.T + 3.89e5T^{2} \)
79 \( 1 - 87.5T + 4.93e5T^{2} \)
83 \( 1 - 572.T + 5.71e5T^{2} \)
89 \( 1 - 589.T + 7.04e5T^{2} \)
97 \( 1 - 406.T + 9.12e5T^{2} \)
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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

−8.289352431261659450336686584240, −7.83942042805708067241253600142, −6.70910498179266691251673221511, −5.85871221801453404443506003661, −4.85548327522002944490119129844, −4.26829243592275812069615421961, −3.53839913503253264812802166110, −2.58994700812610047419058556875, −1.88852906511639908309209360893, 0, 1.88852906511639908309209360893, 2.58994700812610047419058556875, 3.53839913503253264812802166110, 4.26829243592275812069615421961, 4.85548327522002944490119129844, 5.85871221801453404443506003661, 6.70910498179266691251673221511, 7.83942042805708067241253600142, 8.289352431261659450336686584240

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