Properties

Label 2-531-3.2-c4-0-4
Degree $2$
Conductor $531$
Sign $-0.816 + 0.577i$
Analytic cond. $54.8894$
Root an. cond. $7.40874$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.05i·2-s + 11.7·4-s − 8.97i·5-s − 18.7·7-s + 57.0i·8-s + 18.4·10-s + 217. i·11-s − 276.·13-s − 38.4i·14-s + 71.4·16-s + 203. i·17-s + 27.7·19-s − 105. i·20-s − 446.·22-s − 9.99e2i·23-s + ⋯
L(s)  = 1  + 0.513i·2-s + 0.736·4-s − 0.359i·5-s − 0.382·7-s + 0.891i·8-s + 0.184·10-s + 1.79i·11-s − 1.63·13-s − 0.196i·14-s + 0.278·16-s + 0.702i·17-s + 0.0767·19-s − 0.264i·20-s − 0.923·22-s − 1.88i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 531 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.816 + 0.577i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 531 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (-0.816 + 0.577i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(531\)    =    \(3^{2} \cdot 59\)
Sign: $-0.816 + 0.577i$
Analytic conductor: \(54.8894\)
Root analytic conductor: \(7.40874\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{531} (296, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 531,\ (\ :2),\ -0.816 + 0.577i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(0.3407765651\)
\(L(\frac12)\) \(\approx\) \(0.3407765651\)
\(L(3)\) 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 \( 1 - 453. iT \)
good2 \( 1 - 2.05iT - 16T^{2} \)
5 \( 1 + 8.97iT - 625T^{2} \)
7 \( 1 + 18.7T + 2.40e3T^{2} \)
11 \( 1 - 217. iT - 1.46e4T^{2} \)
13 \( 1 + 276.T + 2.85e4T^{2} \)
17 \( 1 - 203. iT - 8.35e4T^{2} \)
19 \( 1 - 27.7T + 1.30e5T^{2} \)
23 \( 1 + 9.99e2iT - 2.79e5T^{2} \)
29 \( 1 + 947. iT - 7.07e5T^{2} \)
31 \( 1 + 379.T + 9.23e5T^{2} \)
37 \( 1 + 774.T + 1.87e6T^{2} \)
41 \( 1 + 579. iT - 2.82e6T^{2} \)
43 \( 1 + 1.92e3T + 3.41e6T^{2} \)
47 \( 1 + 3.51e3iT - 4.87e6T^{2} \)
53 \( 1 - 1.99e3iT - 7.89e6T^{2} \)
61 \( 1 + 5.54e3T + 1.38e7T^{2} \)
67 \( 1 + 7.07e3T + 2.01e7T^{2} \)
71 \( 1 - 6.12e3iT - 2.54e7T^{2} \)
73 \( 1 + 1.18e3T + 2.83e7T^{2} \)
79 \( 1 + 1.54e3T + 3.89e7T^{2} \)
83 \( 1 + 1.14e3iT - 4.74e7T^{2} \)
89 \( 1 + 598. iT - 6.27e7T^{2} \)
97 \( 1 - 6.26e3T + 8.85e7T^{2} \)
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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

−10.46978908320000201401705150548, −10.04701322269120234642567793053, −8.926806793458269639794019270223, −7.85228625305577887600195666293, −7.08417929574782486001425899110, −6.46392309518105874563535810270, −5.16141155596436388050371519768, −4.42320599713932957562480602832, −2.67927189882429739705517974407, −1.85843251599860562973298530827, 0.07667292766943082499154877223, 1.48047988819809443084446433647, 3.01606029886827169121581027695, 3.24214982313024763777416558044, 5.04236961210312684888628934626, 6.07025231592575471260101951642, 7.03039705012436511432466458776, 7.70834704521663238549545826106, 9.071700281243208701826931904024, 9.834720764055987647045149297344

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