Properties

Label 2-380-5.4-c1-0-6
Degree $2$
Conductor $380$
Sign $1$
Analytic cond. $3.03431$
Root an. cond. $1.74192$
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  + 0.874i·3-s + 2.23·5-s − 2.82i·7-s + 2.23·9-s − 0.763·11-s − 5.45i·13-s + 1.95i·15-s + 7.40i·17-s + 19-s + 2.47·21-s − 1.08i·23-s + 5.00·25-s + 4.57i·27-s + 4.47·29-s − 4·31-s + ⋯
L(s)  = 1  + 0.504i·3-s + 0.999·5-s − 1.06i·7-s + 0.745·9-s − 0.230·11-s − 1.51i·13-s + 0.504i·15-s + 1.79i·17-s + 0.229·19-s + 0.539·21-s − 0.225i·23-s + 1.00·25-s + 0.880i·27-s + 0.830·29-s − 0.718·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 380 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 380 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(380\)    =    \(2^{2} \cdot 5 \cdot 19\)
Sign: $1$
Analytic conductor: \(3.03431\)
Root analytic conductor: \(1.74192\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{380} (229, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 380,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.65138\)
\(L(\frac12)\) \(\approx\) \(1.65138\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.23T \)
19 \( 1 - T \)
good3 \( 1 - 0.874iT - 3T^{2} \)
7 \( 1 + 2.82iT - 7T^{2} \)
11 \( 1 + 0.763T + 11T^{2} \)
13 \( 1 + 5.45iT - 13T^{2} \)
17 \( 1 - 7.40iT - 17T^{2} \)
23 \( 1 + 1.08iT - 23T^{2} \)
29 \( 1 - 4.47T + 29T^{2} \)
31 \( 1 + 4T + 31T^{2} \)
37 \( 1 - 2.62iT - 37T^{2} \)
41 \( 1 + 6T + 41T^{2} \)
43 \( 1 - 8.48iT - 43T^{2} \)
47 \( 1 + 8.48iT - 47T^{2} \)
53 \( 1 - 2.62iT - 53T^{2} \)
59 \( 1 - 1.52T + 59T^{2} \)
61 \( 1 + 11.7T + 61T^{2} \)
67 \( 1 + 11.1iT - 67T^{2} \)
71 \( 1 + 10.4T + 71T^{2} \)
73 \( 1 - 5.24iT - 73T^{2} \)
79 \( 1 + 15.4T + 79T^{2} \)
83 \( 1 - 13.7iT - 83T^{2} \)
89 \( 1 + 2.94T + 89T^{2} \)
97 \( 1 + 13.9iT - 97T^{2} \)
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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

−10.87015284721003663439321662361, −10.28630654483392902719589071969, −9.971381667600476829510283835129, −8.623711540590768860086097545898, −7.62948553413514924175436173275, −6.52667752527951512050078391828, −5.49154529873637549125296879108, −4.39665493458959059464216497439, −3.23214929709971508899963411252, −1.42390425852460577838482783963, 1.69017227416043172698776581242, 2.70591854902366443509550573097, 4.61594104495603038059802412130, 5.60233128917662150501563586196, 6.66240158823599218079173816162, 7.37079396287498764148208787598, 8.903418515690833487855295929359, 9.353439188083905961992883264510, 10.29983724142265423688921356704, 11.62978753749777625894881876010

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