Properties

Label 2-1840-23.22-c2-0-60
Degree $2$
Conductor $1840$
Sign $0.190 + 0.981i$
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  − 1.23·3-s − 2.23i·5-s − 0.521i·7-s − 7.47·9-s + 10.5i·11-s + 14.3·13-s + 2.75i·15-s − 33.4i·17-s + 23.1i·19-s + 0.643i·21-s + (−22.5 + 4.39i)23-s − 5.00·25-s + 20.3·27-s + 11.7·29-s + 17.8·31-s + ⋯
L(s)  = 1  − 0.411·3-s − 0.447i·5-s − 0.0745i·7-s − 0.830·9-s + 0.962i·11-s + 1.10·13-s + 0.183i·15-s − 1.96i·17-s + 1.21i·19-s + 0.0306i·21-s + (−0.981 + 0.190i)23-s − 0.200·25-s + 0.752·27-s + 0.405·29-s + 0.575·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.190 + 0.981i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.190 + 0.981i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $0.190 + 0.981i$
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: \((2,\ 1840,\ (\ :1),\ 0.190 + 0.981i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.209169379\)
\(L(\frac12)\) \(\approx\) \(1.209169379\)
\(L(2)\) 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 \( 1 + (22.5 - 4.39i)T \)
good3 \( 1 + 1.23T + 9T^{2} \)
7 \( 1 + 0.521iT - 49T^{2} \)
11 \( 1 - 10.5iT - 121T^{2} \)
13 \( 1 - 14.3T + 169T^{2} \)
17 \( 1 + 33.4iT - 289T^{2} \)
19 \( 1 - 23.1iT - 361T^{2} \)
29 \( 1 - 11.7T + 841T^{2} \)
31 \( 1 - 17.8T + 961T^{2} \)
37 \( 1 - 57.2iT - 1.36e3T^{2} \)
41 \( 1 + 33.7T + 1.68e3T^{2} \)
43 \( 1 + 53.7iT - 1.84e3T^{2} \)
47 \( 1 + 14.0T + 2.20e3T^{2} \)
53 \( 1 + 85.7iT - 2.80e3T^{2} \)
59 \( 1 - 70.7T + 3.48e3T^{2} \)
61 \( 1 - 31.8iT - 3.72e3T^{2} \)
67 \( 1 - 39.4iT - 4.48e3T^{2} \)
71 \( 1 + 68.9T + 5.04e3T^{2} \)
73 \( 1 - 30.3T + 5.32e3T^{2} \)
79 \( 1 + 49.0iT - 6.24e3T^{2} \)
83 \( 1 + 96.7iT - 6.88e3T^{2} \)
89 \( 1 - 56.7iT - 7.92e3T^{2} \)
97 \( 1 + 80.0iT - 9.40e3T^{2} \)
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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

−8.741202589787659613755787903563, −8.271078769374676346543771273987, −7.27066459042119364019669648478, −6.45473951859591751919488998781, −5.58925144548736020999932058376, −4.93862432745969982599001252381, −3.96702746469222361128225520276, −2.89933403315843065108258651458, −1.66618874635500227322892903117, −0.41254608947918706970312038167, 0.931880792751963083851731295166, 2.35673582549591485522142334653, 3.38101811398836276276803556336, 4.16399860275209637080609961537, 5.44885193041489269123440395406, 6.16569711567819824388802069129, 6.47603249951908266263642536307, 7.83591334698592933011231931131, 8.503990353939380854343972505675, 9.000341264844348664157777383333

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