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Properties

Label 2-756-21.17-c1-0-5
Degree $2$
Conductor $756$
Sign $0.895 + 0.444i$
Analytic cond. $6.03669$
Root an. cond. $2.45696$
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  + (−0.385 − 0.667i)5-s + (−2.20 − 1.46i)7-s + (4.68 + 2.70i)11-s + 5.28i·13-s + (2.85 − 4.94i)17-s + (0.535 − 0.309i)19-s + (5.83 − 3.37i)23-s + (2.20 − 3.81i)25-s − 8.07i·29-s + (0.502 + 0.290i)31-s + (−0.129 + 2.03i)35-s + (−4.53 − 7.86i)37-s + 8.59·41-s + 3.40·43-s + (−0.385 − 0.667i)47-s + ⋯
L(s)  = 1  + (−0.172 − 0.298i)5-s + (−0.832 − 0.553i)7-s + (1.41 + 0.814i)11-s + 1.46i·13-s + (0.692 − 1.19i)17-s + (0.122 − 0.0709i)19-s + (1.21 − 0.702i)23-s + (0.440 − 0.763i)25-s − 1.49i·29-s + (0.0902 + 0.0521i)31-s + (−0.0218 + 0.344i)35-s + (−0.746 − 1.29i)37-s + 1.34·41-s + 0.519·43-s + (−0.0562 − 0.0973i)47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 756 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.895 + 0.444i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 756 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.895 + 0.444i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(756\)    =    \(2^{2} \cdot 3^{3} \cdot 7\)
Sign: $0.895 + 0.444i$
Analytic conductor: \(6.03669\)
Root analytic conductor: \(2.45696\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{756} (269, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 756,\ (\ :1/2),\ 0.895 + 0.444i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.44024 - 0.337394i\)
\(L(\frac12)\) \(\approx\) \(1.44024 - 0.337394i\)
\(L(\frac{3}{2})\) 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 \( 1 \)
7 \( 1 + (2.20 + 1.46i)T \)
good5 \( 1 + (0.385 + 0.667i)T + (-2.5 + 4.33i)T^{2} \)
11 \( 1 + (-4.68 - 2.70i)T + (5.5 + 9.52i)T^{2} \)
13 \( 1 - 5.28iT - 13T^{2} \)
17 \( 1 + (-2.85 + 4.94i)T + (-8.5 - 14.7i)T^{2} \)
19 \( 1 + (-0.535 + 0.309i)T + (9.5 - 16.4i)T^{2} \)
23 \( 1 + (-5.83 + 3.37i)T + (11.5 - 19.9i)T^{2} \)
29 \( 1 + 8.07iT - 29T^{2} \)
31 \( 1 + (-0.502 - 0.290i)T + (15.5 + 26.8i)T^{2} \)
37 \( 1 + (4.53 + 7.86i)T + (-18.5 + 32.0i)T^{2} \)
41 \( 1 - 8.59T + 41T^{2} \)
43 \( 1 - 3.40T + 43T^{2} \)
47 \( 1 + (0.385 + 0.667i)T + (-23.5 + 40.7i)T^{2} \)
53 \( 1 + (-6.63 - 3.83i)T + (26.5 + 45.8i)T^{2} \)
59 \( 1 + (6.89 - 11.9i)T + (-29.5 - 51.0i)T^{2} \)
61 \( 1 + (3.57 - 2.06i)T + (30.5 - 52.8i)T^{2} \)
67 \( 1 + (6.77 - 11.7i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + 2.25iT - 71T^{2} \)
73 \( 1 + (-1.96 - 1.13i)T + (36.5 + 63.2i)T^{2} \)
79 \( 1 + (-4.03 - 6.98i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 - 3.85T + 83T^{2} \)
89 \( 1 + (2.59 + 4.5i)T + (-44.5 + 77.0i)T^{2} \)
97 \( 1 + 14.0iT - 97T^{2} \)
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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

−10.11520131839670974464627439272, −9.281823710162567244250164600871, −8.964242798057609718179219813756, −7.35393534533121030432409756423, −6.95763970611136352789003924869, −6.01982930369405296743315298377, −4.51447752292528500597526972493, −4.04923412599405215337480570000, −2.59877565754128017419934403976, −0.967623289355127524960642564385, 1.21405868163707343823062386748, 3.24323527392908842849655263182, 3.44018328760876710518272396583, 5.21181262387387308085775039683, 6.02889427132190634831129697253, 6.79607546553438792485238226181, 7.86783232509646237856403709221, 8.822579681279055905419283342690, 9.428787144776210199247561791705, 10.51478292199814955179882634083

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