Properties

Label 2-1840-23.22-c2-0-88
Degree $2$
Conductor $1840$
Sign $0.360 - 0.932i$
Analytic cond. $50.1363$
Root an. cond. $7.08070$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5.39·3-s − 2.23i·5-s − 8.04i·7-s + 20.1·9-s − 13.7i·11-s − 25.1·13-s + 12.0i·15-s + 26.9i·17-s − 15.1i·19-s + 43.4i·21-s + (−21.4 − 8.29i)23-s − 5.00·25-s − 60.2·27-s − 19.5·29-s − 10.6·31-s + ⋯
L(s)  = 1  − 1.79·3-s − 0.447i·5-s − 1.14i·7-s + 2.23·9-s − 1.25i·11-s − 1.93·13-s + 0.804i·15-s + 1.58i·17-s − 0.796i·19-s + 2.06i·21-s + (−0.932 − 0.360i)23-s − 0.200·25-s − 2.23·27-s − 0.674·29-s − 0.344·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.360 - 0.932i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.360 - 0.932i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $0.360 - 0.932i$
Analytic conductor: \(50.1363\)
Root analytic conductor: \(7.08070\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1840} (321, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1),\ 0.360 - 0.932i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.03693692967\)
\(L(\frac12)\) \(\approx\) \(0.03693692967\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + 2.23iT \)
23 \( 1 + (21.4 + 8.29i)T \)
good3 \( 1 + 5.39T + 9T^{2} \)
7 \( 1 + 8.04iT - 49T^{2} \)
11 \( 1 + 13.7iT - 121T^{2} \)
13 \( 1 + 25.1T + 169T^{2} \)
17 \( 1 - 26.9iT - 289T^{2} \)
19 \( 1 + 15.1iT - 361T^{2} \)
29 \( 1 + 19.5T + 841T^{2} \)
31 \( 1 + 10.6T + 961T^{2} \)
37 \( 1 + 53.1iT - 1.36e3T^{2} \)
41 \( 1 - 3.97T + 1.68e3T^{2} \)
43 \( 1 - 14.5iT - 1.84e3T^{2} \)
47 \( 1 + 81.1T + 2.20e3T^{2} \)
53 \( 1 + 81.9iT - 2.80e3T^{2} \)
59 \( 1 - 31.6T + 3.48e3T^{2} \)
61 \( 1 + 56.8iT - 3.72e3T^{2} \)
67 \( 1 + 0.391iT - 4.48e3T^{2} \)
71 \( 1 + 90.6T + 5.04e3T^{2} \)
73 \( 1 - 60.1T + 5.32e3T^{2} \)
79 \( 1 + 17.5iT - 6.24e3T^{2} \)
83 \( 1 - 46.2iT - 6.88e3T^{2} \)
89 \( 1 + 144. iT - 7.92e3T^{2} \)
97 \( 1 - 115. iT - 9.40e3T^{2} \)
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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

−8.259993384724564096080992130758, −7.44193846006337217988929475727, −6.71888980432683168532532097571, −5.95010283659962468265843070003, −5.22106489111464511501482326269, −4.48067389001887032256463291703, −3.70021299853622327962876854372, −1.86410816176965546990733990528, −0.56635271533264852635983279412, −0.02220892477562411436682425902, 1.75429951839996097400034803594, 2.70049961597539276317851887152, 4.35163287446866986879718598966, 5.08087091942665781262689919314, 5.53281645772730318793045929879, 6.48157464701984043447111995130, 7.20495780334814611881997762485, 7.71898882563551695756378470595, 9.335678364885300727273308639423, 9.870817216746660342050897377633

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