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Properties

Label 2-1560-1560.1349-c0-0-0
Degree $2$
Conductor $1560$
Sign $0.872 - 0.488i$
Analytic cond. $0.778541$
Root an. cond. $0.882349$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.866 + 0.5i)2-s + (0.5 + 0.866i)3-s + (0.499 − 0.866i)4-s − i·5-s + (−0.866 − 0.499i)6-s + 0.999i·8-s + (−0.499 + 0.866i)9-s + (0.5 + 0.866i)10-s + (0.866 − 0.5i)11-s + 0.999·12-s + 13-s + (0.866 − 0.5i)15-s + (−0.5 − 0.866i)16-s − 0.999i·18-s + (−0.866 − 0.499i)20-s + ⋯
L(s)  = 1  + (−0.866 + 0.5i)2-s + (0.5 + 0.866i)3-s + (0.499 − 0.866i)4-s − i·5-s + (−0.866 − 0.499i)6-s + 0.999i·8-s + (−0.499 + 0.866i)9-s + (0.5 + 0.866i)10-s + (0.866 − 0.5i)11-s + 0.999·12-s + 13-s + (0.866 − 0.5i)15-s + (−0.5 − 0.866i)16-s − 0.999i·18-s + (−0.866 − 0.499i)20-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.872 - 0.488i)\, \overline{\Lambda}(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.872 - 0.488i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1560\)    =    \(2^{3} \cdot 3 \cdot 5 \cdot 13\)
Sign: $0.872 - 0.488i$
Analytic conductor: \(0.778541\)
Root analytic conductor: \(0.882349\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1560} (1349, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1560,\ (\ :0),\ 0.872 - 0.488i)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.9385762167\)
\(L(\frac12)\) \(\approx\) \(0.9385762167\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.866 - 0.5i)T \)
3 \( 1 + (-0.5 - 0.866i)T \)
5 \( 1 + iT \)
13 \( 1 - T \)
good7 \( 1 + (-0.5 - 0.866i)T^{2} \)
11 \( 1 + (-0.866 + 0.5i)T + (0.5 - 0.866i)T^{2} \)
17 \( 1 + (-0.5 - 0.866i)T^{2} \)
19 \( 1 + (-0.5 - 0.866i)T^{2} \)
23 \( 1 + (0.866 + 1.5i)T + (-0.5 + 0.866i)T^{2} \)
29 \( 1 + (-0.866 - 1.5i)T + (-0.5 + 0.866i)T^{2} \)
31 \( 1 + 1.73iT - T^{2} \)
37 \( 1 + (-1.5 + 0.866i)T + (0.5 - 0.866i)T^{2} \)
41 \( 1 + (-0.5 + 0.866i)T^{2} \)
43 \( 1 + (0.5 - 0.866i)T + (-0.5 - 0.866i)T^{2} \)
47 \( 1 - iT - T^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 + (-0.866 - 0.5i)T + (0.5 + 0.866i)T^{2} \)
61 \( 1 + (0.5 + 0.866i)T^{2} \)
67 \( 1 + (0.5 - 0.866i)T^{2} \)
71 \( 1 + (-0.5 - 0.866i)T^{2} \)
73 \( 1 + T^{2} \)
79 \( 1 + T + T^{2} \)
83 \( 1 + T^{2} \)
89 \( 1 + (-0.5 + 0.866i)T^{2} \)
97 \( 1 + (-0.5 - 0.866i)T^{2} \)
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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

−9.428519944071580907051698187476, −8.870082181200963869882888897449, −8.372034355589957277742947362708, −7.69928082763020614707185682121, −6.30630499702309665938167186923, −5.80709278743815082680386530166, −4.65560123037762148718833491252, −3.96570368644413284660659492057, −2.53243022209966109439006292743, −1.14443759536289464974120539366, 1.36274078236633075997521077275, 2.27762895805750125527464955583, 3.33423933166108371963427203566, 3.95628963074027665640315371396, 5.96288141344355515965707928039, 6.67085040090931358860414144844, 7.21516919212762012480718421770, 8.099167677494231285040073208022, 8.646420308462960873973441205218, 9.668223901845045325762117862641

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