Properties

Label 2-2015-1.1-c3-0-240
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  + 0.606·2-s + 0.930·3-s − 7.63·4-s − 5·5-s + 0.563·6-s − 1.50·7-s − 9.47·8-s − 26.1·9-s − 3.03·10-s + 49.3·11-s − 7.09·12-s − 13·13-s − 0.909·14-s − 4.65·15-s + 55.3·16-s − 111.·17-s − 15.8·18-s + 20.3·19-s + 38.1·20-s − 1.39·21-s + 29.9·22-s + 192.·23-s − 8.81·24-s + 25·25-s − 7.88·26-s − 49.4·27-s + 11.4·28-s + ⋯
L(s)  = 1  + 0.214·2-s + 0.178·3-s − 0.954·4-s − 0.447·5-s + 0.0383·6-s − 0.0810·7-s − 0.418·8-s − 0.967·9-s − 0.0958·10-s + 1.35·11-s − 0.170·12-s − 0.277·13-s − 0.0173·14-s − 0.0800·15-s + 0.864·16-s − 1.59·17-s − 0.207·18-s + 0.245·19-s + 0.426·20-s − 0.0145·21-s + 0.290·22-s + 1.74·23-s − 0.0749·24-s + 0.200·25-s − 0.0594·26-s − 0.352·27-s + 0.0773·28-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 \( 1 - 0.606T + 8T^{2} \)
3 \( 1 - 0.930T + 27T^{2} \)
7 \( 1 + 1.50T + 343T^{2} \)
11 \( 1 - 49.3T + 1.33e3T^{2} \)
17 \( 1 + 111.T + 4.91e3T^{2} \)
19 \( 1 - 20.3T + 6.85e3T^{2} \)
23 \( 1 - 192.T + 1.21e4T^{2} \)
29 \( 1 + 49.0T + 2.43e4T^{2} \)
37 \( 1 - 137.T + 5.06e4T^{2} \)
41 \( 1 - 399.T + 6.89e4T^{2} \)
43 \( 1 - 142.T + 7.95e4T^{2} \)
47 \( 1 - 72.2T + 1.03e5T^{2} \)
53 \( 1 + 450.T + 1.48e5T^{2} \)
59 \( 1 + 340.T + 2.05e5T^{2} \)
61 \( 1 - 440.T + 2.26e5T^{2} \)
67 \( 1 + 199.T + 3.00e5T^{2} \)
71 \( 1 - 180.T + 3.57e5T^{2} \)
73 \( 1 + 431.T + 3.89e5T^{2} \)
79 \( 1 - 1.13e3T + 4.93e5T^{2} \)
83 \( 1 + 370.T + 5.71e5T^{2} \)
89 \( 1 - 843.T + 7.04e5T^{2} \)
97 \( 1 + 953.T + 9.12e5T^{2} \)
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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

−8.604920620700711854679212927057, −7.74735128488970416911427811548, −6.74758672480230204302422474388, −6.02432900695631595336134440096, −4.97379915958526717476718017663, −4.32286442677165231041020004452, −3.50078169596378919520106841486, −2.60543881539060314667323858172, −1.05491189394376976124007910411, 0, 1.05491189394376976124007910411, 2.60543881539060314667323858172, 3.50078169596378919520106841486, 4.32286442677165231041020004452, 4.97379915958526717476718017663, 6.02432900695631595336134440096, 6.74758672480230204302422474388, 7.74735128488970416911427811548, 8.604920620700711854679212927057

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