Properties

Label 2-1548-1.1-c1-0-7
Degree $2$
Conductor $1548$
Sign $1$
Analytic cond. $12.3608$
Root an. cond. $3.51579$
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  + 2·5-s + 2·7-s + 3·11-s − 13-s + 3·17-s − 2·19-s + 3·23-s − 25-s + 8·29-s + 31-s + 4·35-s − 8·37-s − 41-s + 43-s − 3·49-s + 53-s + 6·55-s − 4·59-s − 2·65-s + 7·67-s − 6·71-s + 4·73-s + 6·77-s + 8·79-s − 83-s + 6·85-s + 14·89-s + ⋯
L(s)  = 1  + 0.894·5-s + 0.755·7-s + 0.904·11-s − 0.277·13-s + 0.727·17-s − 0.458·19-s + 0.625·23-s − 1/5·25-s + 1.48·29-s + 0.179·31-s + 0.676·35-s − 1.31·37-s − 0.156·41-s + 0.152·43-s − 3/7·49-s + 0.137·53-s + 0.809·55-s − 0.520·59-s − 0.248·65-s + 0.855·67-s − 0.712·71-s + 0.468·73-s + 0.683·77-s + 0.900·79-s − 0.109·83-s + 0.650·85-s + 1.48·89-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1548 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1548 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1548\)    =    \(2^{2} \cdot 3^{2} \cdot 43\)
Sign: $1$
Analytic conductor: \(12.3608\)
Root analytic conductor: \(3.51579\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1548,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.350385461\)
\(L(\frac12)\) \(\approx\) \(2.350385461\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
3 \( 1 \)
43 \( 1 - T \)
good5 \( 1 - 2 T + p T^{2} \) 1.5.ac
7 \( 1 - 2 T + p T^{2} \) 1.7.ac
11 \( 1 - 3 T + p T^{2} \) 1.11.ad
13 \( 1 + T + p T^{2} \) 1.13.b
17 \( 1 - 3 T + p T^{2} \) 1.17.ad
19 \( 1 + 2 T + p T^{2} \) 1.19.c
23 \( 1 - 3 T + p T^{2} \) 1.23.ad
29 \( 1 - 8 T + p T^{2} \) 1.29.ai
31 \( 1 - T + p T^{2} \) 1.31.ab
37 \( 1 + 8 T + p T^{2} \) 1.37.i
41 \( 1 + T + p T^{2} \) 1.41.b
47 \( 1 + p T^{2} \) 1.47.a
53 \( 1 - T + p T^{2} \) 1.53.ab
59 \( 1 + 4 T + p T^{2} \) 1.59.e
61 \( 1 + p T^{2} \) 1.61.a
67 \( 1 - 7 T + p T^{2} \) 1.67.ah
71 \( 1 + 6 T + p T^{2} \) 1.71.g
73 \( 1 - 4 T + p T^{2} \) 1.73.ae
79 \( 1 - 8 T + p T^{2} \) 1.79.ai
83 \( 1 + T + p T^{2} \) 1.83.b
89 \( 1 - 14 T + p T^{2} \) 1.89.ao
97 \( 1 + 5 T + p T^{2} \) 1.97.f
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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

−9.454965000395228915733534541285, −8.701652992186140299268037829714, −7.941847924140247265760484564724, −6.91554887728147456894540367119, −6.22176148737971503762693697714, −5.29287508548958766419413587760, −4.56048735025800706814497570912, −3.39033787312621070244809504024, −2.16937736085584771329388457103, −1.21293335275974913766887560152, 1.21293335275974913766887560152, 2.16937736085584771329388457103, 3.39033787312621070244809504024, 4.56048735025800706814497570912, 5.29287508548958766419413587760, 6.22176148737971503762693697714, 6.91554887728147456894540367119, 7.941847924140247265760484564724, 8.701652992186140299268037829714, 9.454965000395228915733534541285

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