Properties

Label 2-531-1.1-c3-0-38
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  − 0.780·2-s − 7.39·4-s + 21.9·5-s + 32.1·7-s + 12.0·8-s − 17.0·10-s + 35.3·11-s + 34.5·13-s − 25.0·14-s + 49.7·16-s + 27.9·17-s + 74.3·19-s − 162.·20-s − 27.5·22-s − 128.·23-s + 355.·25-s − 26.9·26-s − 237.·28-s − 42.7·29-s − 211.·31-s − 134.·32-s − 21.8·34-s + 703.·35-s − 165.·37-s − 57.9·38-s + 263.·40-s − 377.·41-s + ⋯
L(s)  = 1  − 0.275·2-s − 0.923·4-s + 1.96·5-s + 1.73·7-s + 0.530·8-s − 0.540·10-s + 0.967·11-s + 0.736·13-s − 0.478·14-s + 0.777·16-s + 0.399·17-s + 0.897·19-s − 1.81·20-s − 0.266·22-s − 1.16·23-s + 2.84·25-s − 0.203·26-s − 1.60·28-s − 0.273·29-s − 1.22·31-s − 0.745·32-s − 0.110·34-s + 3.39·35-s − 0.736·37-s − 0.247·38-s + 1.04·40-s − 1.43·41-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

\(L(2)\) \(\approx\) \(2.785277828\)
\(L(\frac12)\) \(\approx\) \(2.785277828\)
\(L(\frac{5}{2})\) 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 \( 1 + 0.780T + 8T^{2} \)
5 \( 1 - 21.9T + 125T^{2} \)
7 \( 1 - 32.1T + 343T^{2} \)
11 \( 1 - 35.3T + 1.33e3T^{2} \)
13 \( 1 - 34.5T + 2.19e3T^{2} \)
17 \( 1 - 27.9T + 4.91e3T^{2} \)
19 \( 1 - 74.3T + 6.85e3T^{2} \)
23 \( 1 + 128.T + 1.21e4T^{2} \)
29 \( 1 + 42.7T + 2.43e4T^{2} \)
31 \( 1 + 211.T + 2.97e4T^{2} \)
37 \( 1 + 165.T + 5.06e4T^{2} \)
41 \( 1 + 377.T + 6.89e4T^{2} \)
43 \( 1 + 393.T + 7.95e4T^{2} \)
47 \( 1 + 261.T + 1.03e5T^{2} \)
53 \( 1 - 113.T + 1.48e5T^{2} \)
61 \( 1 - 337.T + 2.26e5T^{2} \)
67 \( 1 - 183.T + 3.00e5T^{2} \)
71 \( 1 - 168.T + 3.57e5T^{2} \)
73 \( 1 - 805.T + 3.89e5T^{2} \)
79 \( 1 - 797.T + 4.93e5T^{2} \)
83 \( 1 + 251.T + 5.71e5T^{2} \)
89 \( 1 + 653.T + 7.04e5T^{2} \)
97 \( 1 + 1.57e3T + 9.12e5T^{2} \)
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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

−10.19964876830435832858166966784, −9.544577840648494619202415717171, −8.760025111983606357370570903924, −8.073418070076994855257099392047, −6.70284625091343505600466472607, −5.46847520484038470116076390409, −5.12851834159217484273405422634, −3.75440176809866945502079947770, −1.78153916726789082834019090019, −1.32625855242284174807916449563, 1.32625855242284174807916449563, 1.78153916726789082834019090019, 3.75440176809866945502079947770, 5.12851834159217484273405422634, 5.46847520484038470116076390409, 6.70284625091343505600466472607, 8.073418070076994855257099392047, 8.760025111983606357370570903924, 9.544577840648494619202415717171, 10.19964876830435832858166966784

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