Properties

Label 2-531-1.1-c3-0-40
Degree $2$
Conductor $531$
Sign $1$
Analytic cond. $31.3300$
Root an. cond. $5.59732$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.60·2-s + 23.4·4-s − 12.9·5-s − 18.2·7-s + 86.4·8-s − 72.7·10-s + 71.8·11-s + 31.4·13-s − 102.·14-s + 297.·16-s + 94.8·17-s − 53.7·19-s − 303.·20-s + 402.·22-s + 70.2·23-s + 43.3·25-s + 176.·26-s − 428.·28-s − 20.2·29-s − 5.95·31-s + 973.·32-s + 531.·34-s + 237.·35-s + 167.·37-s − 300.·38-s − 1.12e3·40-s − 248.·41-s + ⋯
L(s)  = 1  + 1.98·2-s + 2.92·4-s − 1.16·5-s − 0.988·7-s + 3.81·8-s − 2.29·10-s + 1.96·11-s + 0.671·13-s − 1.95·14-s + 4.64·16-s + 1.35·17-s − 0.648·19-s − 3.39·20-s + 3.90·22-s + 0.636·23-s + 0.346·25-s + 1.33·26-s − 2.89·28-s − 0.129·29-s − 0.0344·31-s + 5.37·32-s + 2.68·34-s + 1.14·35-s + 0.742·37-s − 1.28·38-s − 4.43·40-s − 0.948·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 531 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 531 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(531\)    =    \(3^{2} \cdot 59\)
Sign: $1$
Analytic conductor: \(31.3300\)
Root analytic conductor: \(5.59732\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 531,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(6.523181956\)
\(L(\frac12)\) \(\approx\) \(6.523181956\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
59 \( 1 - 59T \)
good2 \( 1 - 5.60T + 8T^{2} \)
5 \( 1 + 12.9T + 125T^{2} \)
7 \( 1 + 18.2T + 343T^{2} \)
11 \( 1 - 71.8T + 1.33e3T^{2} \)
13 \( 1 - 31.4T + 2.19e3T^{2} \)
17 \( 1 - 94.8T + 4.91e3T^{2} \)
19 \( 1 + 53.7T + 6.85e3T^{2} \)
23 \( 1 - 70.2T + 1.21e4T^{2} \)
29 \( 1 + 20.2T + 2.43e4T^{2} \)
31 \( 1 + 5.95T + 2.97e4T^{2} \)
37 \( 1 - 167.T + 5.06e4T^{2} \)
41 \( 1 + 248.T + 6.89e4T^{2} \)
43 \( 1 + 472.T + 7.95e4T^{2} \)
47 \( 1 - 140.T + 1.03e5T^{2} \)
53 \( 1 - 21.3T + 1.48e5T^{2} \)
61 \( 1 - 375.T + 2.26e5T^{2} \)
67 \( 1 + 410.T + 3.00e5T^{2} \)
71 \( 1 + 420.T + 3.57e5T^{2} \)
73 \( 1 + 865.T + 3.89e5T^{2} \)
79 \( 1 + 53.7T + 4.93e5T^{2} \)
83 \( 1 + 39.4T + 5.71e5T^{2} \)
89 \( 1 - 354.T + 7.04e5T^{2} \)
97 \( 1 + 1.41e3T + 9.12e5T^{2} \)
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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

−10.95672916511583804123511882850, −9.831580009146997731019316073898, −8.364031520997691751661398971320, −7.17859345025686869385377667190, −6.57757137325178241549009037829, −5.78188320888043805355657649646, −4.42977628137158356612522821180, −3.68448066389997660378954326022, −3.20436660276941560862749670150, −1.35691811352080872006114298083, 1.35691811352080872006114298083, 3.20436660276941560862749670150, 3.68448066389997660378954326022, 4.42977628137158356612522821180, 5.78188320888043805355657649646, 6.57757137325178241549009037829, 7.17859345025686869385377667190, 8.364031520997691751661398971320, 9.831580009146997731019316073898, 10.95672916511583804123511882850

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