Properties

Label 2-2015-1.1-c3-0-351
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  + 4.93·2-s + 2.28·3-s + 16.3·4-s − 5·5-s + 11.2·6-s + 15.1·7-s + 41.4·8-s − 21.7·9-s − 24.6·10-s − 63.7·11-s + 37.3·12-s − 13·13-s + 74.9·14-s − 11.4·15-s + 73.6·16-s − 43.6·17-s − 107.·18-s − 1.25·19-s − 81.9·20-s + 34.6·21-s − 314.·22-s − 16.0·23-s + 94.5·24-s + 25·25-s − 64.2·26-s − 111.·27-s + 248.·28-s + ⋯
L(s)  = 1  + 1.74·2-s + 0.438·3-s + 2.04·4-s − 0.447·5-s + 0.766·6-s + 0.819·7-s + 1.83·8-s − 0.807·9-s − 0.780·10-s − 1.74·11-s + 0.899·12-s − 0.277·13-s + 1.43·14-s − 0.196·15-s + 1.15·16-s − 0.622·17-s − 1.40·18-s − 0.0151·19-s − 0.916·20-s + 0.359·21-s − 3.05·22-s − 0.145·23-s + 0.804·24-s + 0.200·25-s − 0.484·26-s − 0.793·27-s + 1.67·28-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 \( 1 - 4.93T + 8T^{2} \)
3 \( 1 - 2.28T + 27T^{2} \)
7 \( 1 - 15.1T + 343T^{2} \)
11 \( 1 + 63.7T + 1.33e3T^{2} \)
17 \( 1 + 43.6T + 4.91e3T^{2} \)
19 \( 1 + 1.25T + 6.85e3T^{2} \)
23 \( 1 + 16.0T + 1.21e4T^{2} \)
29 \( 1 - 161.T + 2.43e4T^{2} \)
37 \( 1 - 272.T + 5.06e4T^{2} \)
41 \( 1 + 261.T + 6.89e4T^{2} \)
43 \( 1 + 472.T + 7.95e4T^{2} \)
47 \( 1 - 365.T + 1.03e5T^{2} \)
53 \( 1 + 684.T + 1.48e5T^{2} \)
59 \( 1 + 713.T + 2.05e5T^{2} \)
61 \( 1 + 419.T + 2.26e5T^{2} \)
67 \( 1 + 455.T + 3.00e5T^{2} \)
71 \( 1 - 243.T + 3.57e5T^{2} \)
73 \( 1 + 786.T + 3.89e5T^{2} \)
79 \( 1 - 437.T + 4.93e5T^{2} \)
83 \( 1 - 116.T + 5.71e5T^{2} \)
89 \( 1 - 1.56e3T + 7.04e5T^{2} \)
97 \( 1 - 277.T + 9.12e5T^{2} \)
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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

−7.981314944774748550045276505330, −7.74361293116859481039809099675, −6.57175027917520121233350564214, −5.77170144374629687376566369089, −4.82878821739487278240102955125, −4.64486622226449527031371730393, −3.29508699427378845771216471618, −2.77361951635821828097487204019, −1.92303236286842971579754140752, 0, 1.92303236286842971579754140752, 2.77361951635821828097487204019, 3.29508699427378845771216471618, 4.64486622226449527031371730393, 4.82878821739487278240102955125, 5.77170144374629687376566369089, 6.57175027917520121233350564214, 7.74361293116859481039809099675, 7.981314944774748550045276505330

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