Properties

Label 2-756-21.20-c1-0-1
Degree $2$
Conductor $756$
Sign $-0.327 - 0.944i$
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  + (−2.5 + 0.866i)7-s + 1.73i·13-s + 8.66i·19-s − 5·25-s + 10.3i·31-s + 37-s − 8·43-s + (5.5 − 4.33i)49-s + 8.66i·61-s + 11·67-s − 1.73i·73-s − 13·79-s + (−1.49 − 4.33i)91-s − 19.0i·97-s + 19.0i·103-s + ⋯
L(s)  = 1  + (−0.944 + 0.327i)7-s + 0.480i·13-s + 1.98i·19-s − 25-s + 1.86i·31-s + 0.164·37-s − 1.21·43-s + (0.785 − 0.618i)49-s + 1.10i·61-s + 1.34·67-s − 0.202i·73-s − 1.46·79-s + (−0.157 − 0.453i)91-s − 1.93i·97-s + 1.87i·103-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 756 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.327 - 0.944i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 756 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.327 - 0.944i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(756\)    =    \(2^{2} \cdot 3^{3} \cdot 7\)
Sign: $-0.327 - 0.944i$
Analytic conductor: \(6.03669\)
Root analytic conductor: \(2.45696\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{756} (377, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 756,\ (\ :1/2),\ -0.327 - 0.944i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.522220 + 0.733568i\)
\(L(\frac12)\) \(\approx\) \(0.522220 + 0.733568i\)
\(L(\frac{3}{2})\) 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 \( 1 + (2.5 - 0.866i)T \)
good5 \( 1 + 5T^{2} \)
11 \( 1 - 11T^{2} \)
13 \( 1 - 1.73iT - 13T^{2} \)
17 \( 1 + 17T^{2} \)
19 \( 1 - 8.66iT - 19T^{2} \)
23 \( 1 - 23T^{2} \)
29 \( 1 - 29T^{2} \)
31 \( 1 - 10.3iT - 31T^{2} \)
37 \( 1 - T + 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 + 8T + 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 8.66iT - 61T^{2} \)
67 \( 1 - 11T + 67T^{2} \)
71 \( 1 - 71T^{2} \)
73 \( 1 + 1.73iT - 73T^{2} \)
79 \( 1 + 13T + 79T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 + 89T^{2} \)
97 \( 1 + 19.0iT - 97T^{2} \)
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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

−10.32175231359791411584049196486, −9.893086223222024123647772416995, −8.913751522216197291076461934527, −8.110573864603345765777075064195, −7.03622273857576276276741062693, −6.20130449939886660425278286750, −5.39362291706783301781115890897, −4.03543179677870772489110320726, −3.16107985935435432608510306972, −1.72953084860175627500825651548, 0.44567927555889145076557034814, 2.41460040215232219778713294450, 3.48618687265904621824860114667, 4.56272641846991815272137540972, 5.71078796891535215951667332307, 6.61656830984141797103630660508, 7.40031489141267915017225163522, 8.382134965287589616455486077094, 9.453109426050750789327109798882, 9.889813406078335955541434941801

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