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Properties

Label 2-756-28.27-c1-0-1
Degree $2$
Conductor $756$
Sign $-1$
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  + 1.41i·2-s − 2.00·4-s − 3.99i·5-s − 2.64·7-s − 2.82i·8-s + 5.64·10-s + 6.31i·11-s − 3.74i·14-s + 4.00·16-s + 3.74i·17-s − 3.35·19-s + 7.98i·20-s − 8.93·22-s + 2.07i·23-s − 10.9·25-s + ⋯
L(s)  = 1  + 0.999i·2-s − 1.00·4-s − 1.78i·5-s − 0.999·7-s − 1.00i·8-s + 1.78·10-s + 1.90i·11-s − 1.00i·14-s + 1.00·16-s + 0.907i·17-s − 0.769·19-s + 1.78i·20-s − 1.90·22-s + 0.433i·23-s − 2.18·25-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(756\)    =    \(2^{2} \cdot 3^{3} \cdot 7\)
Sign: $-1$
Analytic conductor: \(6.03669\)
Root analytic conductor: \(2.45696\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{756} (55, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 756,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.362281i\)
\(L(\frac12)\) \(\approx\) \(0.362281i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 1.41iT \)
3 \( 1 \)
7 \( 1 + 2.64T \)
good5 \( 1 + 3.99iT - 5T^{2} \)
11 \( 1 - 6.31iT - 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 - 3.74iT - 17T^{2} \)
19 \( 1 + 3.35T + 19T^{2} \)
23 \( 1 - 2.07iT - 23T^{2} \)
29 \( 1 + 29T^{2} \)
31 \( 1 + 2.29T + 31T^{2} \)
37 \( 1 + 11.9T + 37T^{2} \)
41 \( 1 - 8.73iT - 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 + 2.16iT - 71T^{2} \)
73 \( 1 - 73T^{2} \)
79 \( 1 - 79T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 - 7.23iT - 89T^{2} \)
97 \( 1 - 97T^{2} \)
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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

−10.27231105620123576315262484480, −9.636952772649578398389374176476, −8.994772724105391936768357116062, −8.247212381256387412920171938595, −7.30089097528344957595514972625, −6.40405050592707690154789239509, −5.39117058131864075250081933364, −4.60809638532206153265447214400, −3.85315419378700559601764685209, −1.63453292459709642361762182734, 0.18218392539925573275489855716, 2.42256607588462304624075116247, 3.22130107001465917994455087160, 3.75661715970167869441324398042, 5.52079190730766347391884924459, 6.35870853354464834632140656658, 7.21063456998182166636219641828, 8.465445371104895261259578950190, 9.243966725189501033291802607828, 10.32423950560436366450632396198

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