Properties

Label 2-2015-1.1-c3-0-194
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  − 3.76·2-s + 3.72·3-s + 6.20·4-s − 5·5-s − 14.0·6-s − 30.0·7-s + 6.77·8-s − 13.1·9-s + 18.8·10-s + 7.58·11-s + 23.0·12-s − 13·13-s + 113.·14-s − 18.6·15-s − 75.1·16-s + 49.1·17-s + 49.4·18-s + 31.8·19-s − 31.0·20-s − 111.·21-s − 28.6·22-s + 96.1·23-s + 25.2·24-s + 25·25-s + 48.9·26-s − 149.·27-s − 186.·28-s + ⋯
L(s)  = 1  − 1.33·2-s + 0.716·3-s + 0.775·4-s − 0.447·5-s − 0.954·6-s − 1.62·7-s + 0.299·8-s − 0.486·9-s + 0.595·10-s + 0.208·11-s + 0.555·12-s − 0.277·13-s + 2.15·14-s − 0.320·15-s − 1.17·16-s + 0.701·17-s + 0.647·18-s + 0.384·19-s − 0.346·20-s − 1.16·21-s − 0.277·22-s + 0.871·23-s + 0.214·24-s + 0.200·25-s + 0.369·26-s − 1.06·27-s − 1.25·28-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 \( 1 + 3.76T + 8T^{2} \)
3 \( 1 - 3.72T + 27T^{2} \)
7 \( 1 + 30.0T + 343T^{2} \)
11 \( 1 - 7.58T + 1.33e3T^{2} \)
17 \( 1 - 49.1T + 4.91e3T^{2} \)
19 \( 1 - 31.8T + 6.85e3T^{2} \)
23 \( 1 - 96.1T + 1.21e4T^{2} \)
29 \( 1 + 181.T + 2.43e4T^{2} \)
37 \( 1 - 136.T + 5.06e4T^{2} \)
41 \( 1 + 222.T + 6.89e4T^{2} \)
43 \( 1 - 299.T + 7.95e4T^{2} \)
47 \( 1 - 239.T + 1.03e5T^{2} \)
53 \( 1 + 338.T + 1.48e5T^{2} \)
59 \( 1 - 433.T + 2.05e5T^{2} \)
61 \( 1 - 379.T + 2.26e5T^{2} \)
67 \( 1 + 198.T + 3.00e5T^{2} \)
71 \( 1 - 26.0T + 3.57e5T^{2} \)
73 \( 1 - 909.T + 3.89e5T^{2} \)
79 \( 1 - 387.T + 4.93e5T^{2} \)
83 \( 1 + 1.06e3T + 5.71e5T^{2} \)
89 \( 1 - 1.61e3T + 7.04e5T^{2} \)
97 \( 1 - 344.T + 9.12e5T^{2} \)
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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

−8.562459810964203923894952846114, −7.75211219603151430988072447619, −7.20637194666580391960434835609, −6.36644312051399420410847864418, −5.31855467955138832364065397863, −3.91918827522377907874425765093, −3.19619252903320393524648903667, −2.34380338920193773339146844724, −0.908364734598880880406422441000, 0, 0.908364734598880880406422441000, 2.34380338920193773339146844724, 3.19619252903320393524648903667, 3.91918827522377907874425765093, 5.31855467955138832364065397863, 6.36644312051399420410847864418, 7.20637194666580391960434835609, 7.75211219603151430988072447619, 8.562459810964203923894952846114

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