Properties

Label 2-1520-380.379-c1-0-9
Degree $2$
Conductor $1520$
Sign $0.685 - 0.728i$
Analytic cond. $12.1372$
Root an. cond. $3.48385$
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  − 2.75i·3-s + (2.03 + 0.928i)5-s − 4.29·7-s − 4.59·9-s + 3.89i·11-s − 1.27·13-s + (2.55 − 5.60i)15-s + 3.77i·17-s + (−4.27 + 0.851i)19-s + 11.8i·21-s + 1.36·23-s + (3.27 + 3.77i)25-s + 4.39i·27-s + 4.02i·29-s + 10.0·31-s + ⋯
L(s)  = 1  − 1.59i·3-s + (0.909 + 0.415i)5-s − 1.62·7-s − 1.53·9-s + 1.17i·11-s − 0.353·13-s + (0.660 − 1.44i)15-s + 0.916i·17-s + (−0.980 + 0.195i)19-s + 2.58i·21-s + 0.284·23-s + (0.654 + 0.755i)25-s + 0.844i·27-s + 0.748i·29-s + 1.80·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.685 - 0.728i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.685 - 0.728i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1520\)    =    \(2^{4} \cdot 5 \cdot 19\)
Sign: $0.685 - 0.728i$
Analytic conductor: \(12.1372\)
Root analytic conductor: \(3.48385\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1520} (1519, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1520,\ (\ :1/2),\ 0.685 - 0.728i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9828922939\)
\(L(\frac12)\) \(\approx\) \(0.9828922939\)
\(L(\frac{3}{2})\) 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 \( 1 + (-2.03 - 0.928i)T \)
19 \( 1 + (4.27 - 0.851i)T \)
good3 \( 1 + 2.75iT - 3T^{2} \)
7 \( 1 + 4.29T + 7T^{2} \)
11 \( 1 - 3.89iT - 11T^{2} \)
13 \( 1 + 1.27T + 13T^{2} \)
17 \( 1 - 3.77iT - 17T^{2} \)
23 \( 1 - 1.36T + 23T^{2} \)
29 \( 1 - 4.02iT - 29T^{2} \)
31 \( 1 - 10.0T + 31T^{2} \)
37 \( 1 - 8.39T + 37T^{2} \)
41 \( 1 - 6.20iT - 41T^{2} \)
43 \( 1 + 0.671T + 43T^{2} \)
47 \( 1 + 9.54T + 47T^{2} \)
53 \( 1 + 9.95T + 53T^{2} \)
59 \( 1 + 3.08T + 59T^{2} \)
61 \( 1 + 6.74T + 61T^{2} \)
67 \( 1 - 13.4iT - 67T^{2} \)
71 \( 1 + 10.0T + 71T^{2} \)
73 \( 1 - 1.28iT - 73T^{2} \)
79 \( 1 - 4.94T + 79T^{2} \)
83 \( 1 - 11.1T + 83T^{2} \)
89 \( 1 + 0.805iT - 89T^{2} \)
97 \( 1 - 1.15T + 97T^{2} \)
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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

−9.773762100582010659221313853428, −8.713136780305143341576640289861, −7.75407504803150889931927626505, −6.93208021164123505925806109122, −6.33388103651054758047042533998, −6.11244155946010603882109537833, −4.62411609026573172742648827441, −3.09869105135382431991877030783, −2.38214213264734303706798544015, −1.39390047777222381829631046961, 0.37896076344505265105169810288, 2.67694021255423893126403990278, 3.25402403797746804449677082773, 4.37644248674752896448888462224, 5.09259569033397525476052132944, 6.15944115110234942350248511156, 6.42314872467357017718959612328, 8.056668311350557244529443426172, 9.119129484505133760961569910845, 9.325159131951662918621820971449

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