Properties

Label 2-531-531.128-c1-0-38
Degree $2$
Conductor $531$
Sign $0.766 - 0.641i$
Analytic cond. $4.24005$
Root an. cond. $2.05913$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.56 + 1.98i)2-s + (−1.73 + 0.0219i)3-s + (−1.02 + 4.27i)4-s + (0.725 − 3.97i)5-s + (−2.75 − 3.40i)6-s + (3.27 − 1.81i)7-s + (−5.49 + 2.54i)8-s + (2.99 − 0.0761i)9-s + (9.02 − 4.78i)10-s + (−2.36 − 1.53i)11-s + (1.67 − 7.42i)12-s + (2.76 − 2.52i)13-s + (8.71 + 3.65i)14-s + (−1.16 + 6.89i)15-s + (−5.82 − 2.95i)16-s + (0.0359 + 0.0597i)17-s + ⋯
L(s)  = 1  + (1.10 + 1.40i)2-s + (−0.999 + 0.0126i)3-s + (−0.511 + 2.13i)4-s + (0.324 − 1.77i)5-s + (−1.12 − 1.38i)6-s + (1.23 − 0.684i)7-s + (−1.94 + 0.899i)8-s + (0.999 − 0.0253i)9-s + (2.85 − 1.51i)10-s + (−0.711 − 0.464i)11-s + (0.483 − 2.14i)12-s + (0.766 − 0.700i)13-s + (2.33 + 0.977i)14-s + (−0.301 + 1.78i)15-s + (−1.45 − 0.738i)16-s + (0.00871 + 0.0144i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 531 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.766 - 0.641i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 531 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.766 - 0.641i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(531\)    =    \(3^{2} \cdot 59\)
Sign: $0.766 - 0.641i$
Analytic conductor: \(4.24005\)
Root analytic conductor: \(2.05913\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{531} (128, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 531,\ (\ :1/2),\ 0.766 - 0.641i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.98117 + 0.719821i\)
\(L(\frac12)\) \(\approx\) \(1.98117 + 0.719821i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (1.73 - 0.0219i)T \)
59 \( 1 + (-5.06 - 5.77i)T \)
good2 \( 1 + (-1.56 - 1.98i)T + (-0.465 + 1.94i)T^{2} \)
5 \( 1 + (-0.725 + 3.97i)T + (-4.67 - 1.76i)T^{2} \)
7 \( 1 + (-3.27 + 1.81i)T + (3.71 - 5.93i)T^{2} \)
11 \( 1 + (2.36 + 1.53i)T + (4.43 + 10.0i)T^{2} \)
13 \( 1 + (-2.76 + 2.52i)T + (1.17 - 12.9i)T^{2} \)
17 \( 1 + (-0.0359 - 0.0597i)T + (-7.96 + 15.0i)T^{2} \)
19 \( 1 + (-0.544 + 1.96i)T + (-16.2 - 9.79i)T^{2} \)
23 \( 1 + (3.18 - 6.56i)T + (-14.2 - 18.0i)T^{2} \)
29 \( 1 + (-0.347 + 2.38i)T + (-27.7 - 8.26i)T^{2} \)
31 \( 1 + (-5.95 - 5.84i)T + (0.559 + 30.9i)T^{2} \)
37 \( 1 + (0.268 - 0.579i)T + (-23.9 - 28.1i)T^{2} \)
41 \( 1 + (-0.133 + 1.84i)T + (-40.5 - 5.90i)T^{2} \)
43 \( 1 + (-3.15 + 6.22i)T + (-25.4 - 34.6i)T^{2} \)
47 \( 1 + (3.96 - 0.723i)T + (43.9 - 16.6i)T^{2} \)
53 \( 1 + (-7.18 - 3.81i)T + (29.7 + 43.8i)T^{2} \)
61 \( 1 + (3.76 - 2.97i)T + (14.1 - 59.3i)T^{2} \)
67 \( 1 + (-6.21 + 8.82i)T + (-22.5 - 63.0i)T^{2} \)
71 \( 1 + (10.8 - 9.23i)T + (11.4 - 70.0i)T^{2} \)
73 \( 1 + (-7.71 - 10.1i)T + (-19.5 + 70.3i)T^{2} \)
79 \( 1 + (2.28 - 5.17i)T + (-53.2 - 58.3i)T^{2} \)
83 \( 1 + (1.18 - 5.86i)T + (-76.5 - 32.1i)T^{2} \)
89 \( 1 + (3.19 + 8.02i)T + (-64.6 + 61.2i)T^{2} \)
97 \( 1 + (6.84 + 16.3i)T + (-67.9 + 69.2i)T^{2} \)
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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

−11.26627106529812461298768318238, −10.09873675956914334201537058273, −8.609334326670667320749458255063, −8.068341493532000405821348294487, −7.22705185514163663107925323609, −5.81495921218575264915265936974, −5.43208319362070706622867208008, −4.72680756216183884432627717329, −3.97727663064280965224035897808, −1.13080180890172903028286626652, 1.80527565871016742054427449316, 2.58671597174255091701820921682, 4.00347786399021049457261461343, 4.92605197767880178052755414053, 5.91148813117990829066076166409, 6.55990876186710804364442433479, 7.936864738429640987696033613749, 9.704270126120396405589513464485, 10.45640613176879167928167124556, 10.92248656619886353403202492235

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