Properties

Label 2-756-1.1-c1-0-5
Degree $2$
Conductor $756$
Sign $1$
Analytic cond. $6.03669$
Root an. cond. $2.45696$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3·5-s + 7-s + 3·11-s + 2·13-s − 6·17-s + 5·19-s − 9·23-s + 4·25-s + 6·29-s − 31-s + 3·35-s + 11·37-s + 3·41-s − 4·43-s − 12·47-s + 49-s + 9·55-s + 8·61-s + 6·65-s − 10·67-s + 3·71-s + 8·73-s + 3·77-s − 4·79-s + 6·83-s − 18·85-s + 3·89-s + ⋯
L(s)  = 1  + 1.34·5-s + 0.377·7-s + 0.904·11-s + 0.554·13-s − 1.45·17-s + 1.14·19-s − 1.87·23-s + 4/5·25-s + 1.11·29-s − 0.179·31-s + 0.507·35-s + 1.80·37-s + 0.468·41-s − 0.609·43-s − 1.75·47-s + 1/7·49-s + 1.21·55-s + 1.02·61-s + 0.744·65-s − 1.22·67-s + 0.356·71-s + 0.936·73-s + 0.341·77-s − 0.450·79-s + 0.658·83-s − 1.95·85-s + 0.317·89-s + ⋯

Functional equation

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

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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 756,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.081849511\)
\(L(\frac12)\) \(\approx\) \(2.081849511\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
good5 \( 1 - 3 T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 - 5 T + p T^{2} \)
23 \( 1 + 9 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 + T + p T^{2} \)
37 \( 1 - 11 T + p T^{2} \)
41 \( 1 - 3 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 12 T + p T^{2} \)
53 \( 1 + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 + 10 T + p T^{2} \)
71 \( 1 - 3 T + p T^{2} \)
73 \( 1 - 8 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 - 3 T + p T^{2} \)
97 \( 1 - 8 T + p T^{2} \)
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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

−10.13907841601863165967919400748, −9.570908741228429428937688272533, −8.780337299127953556708917529495, −7.84864688607256323547159673807, −6.49821726406191861904352357423, −6.13420642981607383189262446190, −4.99058996855721417798172650794, −3.94315135306159377097127451803, −2.44662848712626536551871227031, −1.41871132954067485584883752975, 1.41871132954067485584883752975, 2.44662848712626536551871227031, 3.94315135306159377097127451803, 4.99058996855721417798172650794, 6.13420642981607383189262446190, 6.49821726406191861904352357423, 7.84864688607256323547159673807, 8.780337299127953556708917529495, 9.570908741228429428937688272533, 10.13907841601863165967919400748

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