Properties

Label 2-1840-5.4-c1-0-58
Degree $2$
Conductor $1840$
Sign $-0.930 - 0.365i$
Analytic cond. $14.6924$
Root an. cond. $3.83307$
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  − 2.40i·3-s + (−0.817 + 2.08i)5-s − 4.41i·7-s − 2.76·9-s − 2.29·11-s − 6.92i·13-s + (4.99 + 1.96i)15-s + 1.51i·17-s + 2.89·19-s − 10.5·21-s + i·23-s + (−3.66 − 3.40i)25-s − 0.570i·27-s + 7.68·29-s − 3.85·31-s + ⋯
L(s)  = 1  − 1.38i·3-s + (−0.365 + 0.930i)5-s − 1.66i·7-s − 0.920·9-s − 0.691·11-s − 1.92i·13-s + (1.29 + 0.506i)15-s + 0.367i·17-s + 0.665·19-s − 2.31·21-s + 0.208i·23-s + (−0.732 − 0.680i)25-s − 0.109i·27-s + 1.42·29-s − 0.692·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.930 - 0.365i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.930 - 0.365i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $-0.930 - 0.365i$
Analytic conductor: \(14.6924\)
Root analytic conductor: \(3.83307\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1840} (369, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1/2),\ -0.930 - 0.365i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9226702265\)
\(L(\frac12)\) \(\approx\) \(0.9226702265\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + (0.817 - 2.08i)T \)
23 \( 1 - iT \)
good3 \( 1 + 2.40iT - 3T^{2} \)
7 \( 1 + 4.41iT - 7T^{2} \)
11 \( 1 + 2.29T + 11T^{2} \)
13 \( 1 + 6.92iT - 13T^{2} \)
17 \( 1 - 1.51iT - 17T^{2} \)
19 \( 1 - 2.89T + 19T^{2} \)
29 \( 1 - 7.68T + 29T^{2} \)
31 \( 1 + 3.85T + 31T^{2} \)
37 \( 1 - 8.62iT - 37T^{2} \)
41 \( 1 + 6.44T + 41T^{2} \)
43 \( 1 + 3.48iT - 43T^{2} \)
47 \( 1 - 6.19iT - 47T^{2} \)
53 \( 1 + 2.17iT - 53T^{2} \)
59 \( 1 + 11.7T + 59T^{2} \)
61 \( 1 + 5.11T + 61T^{2} \)
67 \( 1 + 9.94iT - 67T^{2} \)
71 \( 1 + 3.41T + 71T^{2} \)
73 \( 1 - 8.95iT - 73T^{2} \)
79 \( 1 + 1.92T + 79T^{2} \)
83 \( 1 - 8.04iT - 83T^{2} \)
89 \( 1 - 1.09T + 89T^{2} \)
97 \( 1 + 16.9iT - 97T^{2} \)
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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

−8.183592829804519047816183212536, −7.895983718327581382886671335803, −7.29381018324104151361711645050, −6.70147271230336810202012287058, −5.86759281411038218021041246435, −4.70702876780464455578662811212, −3.41231517526350579753469229579, −2.86176984065097590887610397820, −1.36841272747922754528522968270, −0.34816800345945935418330573742, 1.87895918312123885299030802349, 3.01428987617229355193171605935, 4.10408748884012303740693728389, 4.86685181567639933228768271589, 5.29590428032276068253215870361, 6.25450143677515516711832096201, 7.48240281005911424114948788371, 8.570903995265446411353930818643, 9.067432680681139612297630868739, 9.370907306180734342490833234130

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