Properties

Label 2-720-1.1-c1-0-7
Degree $2$
Conductor $720$
Sign $-1$
Analytic cond. $5.74922$
Root an. cond. $2.39775$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5-s − 4·11-s − 2·13-s − 2·17-s − 4·19-s + 25-s + 2·29-s − 10·37-s − 10·41-s − 4·43-s + 8·47-s − 7·49-s + 10·53-s + 4·55-s − 4·59-s − 2·61-s + 2·65-s − 12·67-s − 8·71-s + 10·73-s + 12·83-s + 2·85-s + 6·89-s + 4·95-s + 2·97-s − 6·101-s + 16·103-s + ⋯
L(s)  = 1  − 0.447·5-s − 1.20·11-s − 0.554·13-s − 0.485·17-s − 0.917·19-s + 1/5·25-s + 0.371·29-s − 1.64·37-s − 1.56·41-s − 0.609·43-s + 1.16·47-s − 49-s + 1.37·53-s + 0.539·55-s − 0.520·59-s − 0.256·61-s + 0.248·65-s − 1.46·67-s − 0.949·71-s + 1.17·73-s + 1.31·83-s + 0.216·85-s + 0.635·89-s + 0.410·95-s + 0.203·97-s − 0.597·101-s + 1.57·103-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 720 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 720 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(720\)    =    \(2^{4} \cdot 3^{2} \cdot 5\)
Sign: $-1$
Analytic conductor: \(5.74922\)
Root analytic conductor: \(2.39775\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 720,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 \)
5 \( 1 + T \)
good7 \( 1 + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 + 12 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−10.26700477708582759405639390127, −8.982199030019329801304860528684, −8.270140448885357284476919824336, −7.40264879408133961073539513214, −6.55157891837643531715592264808, −5.32469243442401148699352691061, −4.54153907278640853760279816056, −3.29035819756263414840801407793, −2.11935007719153584295308930473, 0, 2.11935007719153584295308930473, 3.29035819756263414840801407793, 4.54153907278640853760279816056, 5.32469243442401148699352691061, 6.55157891837643531715592264808, 7.40264879408133961073539513214, 8.270140448885357284476919824336, 8.982199030019329801304860528684, 10.26700477708582759405639390127

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