Properties

Label 2-1890-5.4-c1-0-10
Degree $2$
Conductor $1890$
Sign $-0.834 - 0.550i$
Analytic cond. $15.0917$
Root an. cond. $3.88480$
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  + i·2-s − 4-s + (1.23 − 1.86i)5-s + i·7-s i·8-s + (1.86 + 1.23i)10-s − 1.73·11-s + 5.46i·13-s − 14-s + 16-s + 4i·17-s − 5.73·19-s + (−1.23 + 1.86i)20-s − 1.73i·22-s − 2.46i·23-s + ⋯
L(s)  = 1  + 0.707i·2-s − 0.5·4-s + (0.550 − 0.834i)5-s + 0.377i·7-s − 0.353i·8-s + (0.590 + 0.389i)10-s − 0.522·11-s + 1.51i·13-s − 0.267·14-s + 0.250·16-s + 0.970i·17-s − 1.31·19-s + (−0.275 + 0.417i)20-s − 0.369i·22-s − 0.513i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1890 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.834 - 0.550i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1890 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.834 - 0.550i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1890\)    =    \(2 \cdot 3^{3} \cdot 5 \cdot 7\)
Sign: $-0.834 - 0.550i$
Analytic conductor: \(15.0917\)
Root analytic conductor: \(3.88480\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1890} (379, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1890,\ (\ :1/2),\ -0.834 - 0.550i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.072018363\)
\(L(\frac12)\) \(\approx\) \(1.072018363\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - iT \)
3 \( 1 \)
5 \( 1 + (-1.23 + 1.86i)T \)
7 \( 1 - iT \)
good11 \( 1 + 1.73T + 11T^{2} \)
13 \( 1 - 5.46iT - 13T^{2} \)
17 \( 1 - 4iT - 17T^{2} \)
19 \( 1 + 5.73T + 19T^{2} \)
23 \( 1 + 2.46iT - 23T^{2} \)
29 \( 1 - 1.46T + 29T^{2} \)
31 \( 1 + 0.267T + 31T^{2} \)
37 \( 1 - 3.19iT - 37T^{2} \)
41 \( 1 - 3.92T + 41T^{2} \)
43 \( 1 + 4.53iT - 43T^{2} \)
47 \( 1 - 11.4iT - 47T^{2} \)
53 \( 1 - 13.8iT - 53T^{2} \)
59 \( 1 - 4.92T + 59T^{2} \)
61 \( 1 + 13.8T + 61T^{2} \)
67 \( 1 - 12.3iT - 67T^{2} \)
71 \( 1 + 4.26T + 71T^{2} \)
73 \( 1 - 16.9iT - 73T^{2} \)
79 \( 1 + 8.92T + 79T^{2} \)
83 \( 1 + 9.46iT - 83T^{2} \)
89 \( 1 - T + 89T^{2} \)
97 \( 1 - 6.92iT - 97T^{2} \)
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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

−9.231029763405207474599507697442, −8.732562029842110530982784437123, −8.158933003685856297454046316555, −7.09364026315952726012881606118, −6.18728016792368684901810669524, −5.78034176033413174026380146712, −4.54477589035331708067539913157, −4.25977023146467938515946561023, −2.53774314239683629089996338363, −1.48142931770240521163246854175, 0.38087903848068648536230412476, 1.97549496155003261729230608173, 2.87077661223126263852750066661, 3.57855830945405987133930477712, 4.81708775967335016100297767316, 5.59019180853021366207730855078, 6.47583881774773765618430052237, 7.44179136749050682927233180373, 8.093031287025754512664425634854, 9.103288962497194475459935560428

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