Properties

Label 2-1860-1.1-c1-0-4
Degree $2$
Conductor $1860$
Sign $1$
Analytic cond. $14.8521$
Root an. cond. $3.85385$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 5-s − 3.74·7-s + 9-s − 5.48·11-s − 1.32·13-s − 15-s + 6.95·17-s + 5.06·19-s − 3.74·21-s + 2.11·23-s + 25-s + 27-s + 3.63·29-s + 31-s − 5.48·33-s + 3.74·35-s + 8.39·37-s − 1.32·39-s + 11.4·41-s − 0.421·43-s − 45-s + 1.46·47-s + 7.02·49-s + 6.95·51-s + 4.53·53-s + 5.48·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s − 1.41·7-s + 0.333·9-s − 1.65·11-s − 0.367·13-s − 0.258·15-s + 1.68·17-s + 1.16·19-s − 0.817·21-s + 0.440·23-s + 0.200·25-s + 0.192·27-s + 0.674·29-s + 0.179·31-s − 0.955·33-s + 0.632·35-s + 1.37·37-s − 0.211·39-s + 1.79·41-s − 0.0642·43-s − 0.149·45-s + 0.213·47-s + 1.00·49-s + 0.973·51-s + 0.622·53-s + 0.740·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1860 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1860 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1860\)    =    \(2^{2} \cdot 3 \cdot 5 \cdot 31\)
Sign: $1$
Analytic conductor: \(14.8521\)
Root analytic conductor: \(3.85385\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1860,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.496087548\)
\(L(\frac12)\) \(\approx\) \(1.496087548\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - T \)
5 \( 1 + T \)
31 \( 1 - T \)
good7 \( 1 + 3.74T + 7T^{2} \)
11 \( 1 + 5.48T + 11T^{2} \)
13 \( 1 + 1.32T + 13T^{2} \)
17 \( 1 - 6.95T + 17T^{2} \)
19 \( 1 - 5.06T + 19T^{2} \)
23 \( 1 - 2.11T + 23T^{2} \)
29 \( 1 - 3.63T + 29T^{2} \)
37 \( 1 - 8.39T + 37T^{2} \)
41 \( 1 - 11.4T + 41T^{2} \)
43 \( 1 + 0.421T + 43T^{2} \)
47 \( 1 - 1.46T + 47T^{2} \)
53 \( 1 - 4.53T + 53T^{2} \)
59 \( 1 - 4.78T + 59T^{2} \)
61 \( 1 - 6.84T + 61T^{2} \)
67 \( 1 + 4.39T + 67T^{2} \)
71 \( 1 + 7.34T + 71T^{2} \)
73 \( 1 + 4.39T + 73T^{2} \)
79 \( 1 + 14.0T + 79T^{2} \)
83 \( 1 - 5.04T + 83T^{2} \)
89 \( 1 + 13.3T + 89T^{2} \)
97 \( 1 + 3.48T + 97T^{2} \)
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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

−9.403662159863700202996624845818, −8.339243952400910914170374315865, −7.59574572637672608177893981276, −7.20012535999822078892878140147, −5.95391610656811717315150677358, −5.27373495959317716525241124937, −4.11661984247401183516745390275, −2.94070378935393994258501923150, −2.84728348437911541135430721737, −0.791459501268609649728251586996, 0.791459501268609649728251586996, 2.84728348437911541135430721737, 2.94070378935393994258501923150, 4.11661984247401183516745390275, 5.27373495959317716525241124937, 5.95391610656811717315150677358, 7.20012535999822078892878140147, 7.59574572637672608177893981276, 8.339243952400910914170374315865, 9.403662159863700202996624845818

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