Properties

Label 2-7728-1.1-c1-0-131
Degree $2$
Conductor $7728$
Sign $-1$
Analytic cond. $61.7083$
Root an. cond. $7.85546$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 3.19·5-s + 7-s + 9-s − 5·11-s − 2.19·13-s + 3.19·15-s + 17-s − 7.38·19-s + 21-s − 23-s + 5.19·25-s + 27-s − 5·29-s − 7.38·31-s − 5·33-s + 3.19·35-s − 5.38·37-s − 2.19·39-s − 41-s + 0.192·43-s + 3.19·45-s + 0.385·47-s + 49-s + 51-s + 5.57·53-s − 15.9·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 1.42·5-s + 0.377·7-s + 0.333·9-s − 1.50·11-s − 0.608·13-s + 0.824·15-s + 0.242·17-s − 1.69·19-s + 0.218·21-s − 0.208·23-s + 1.03·25-s + 0.192·27-s − 0.928·29-s − 1.32·31-s − 0.870·33-s + 0.539·35-s − 0.885·37-s − 0.351·39-s − 0.156·41-s + 0.0293·43-s + 0.475·45-s + 0.0561·47-s + 0.142·49-s + 0.140·51-s + 0.766·53-s − 2.15·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7728 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7728 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7728\)    =    \(2^{4} \cdot 3 \cdot 7 \cdot 23\)
Sign: $-1$
Analytic conductor: \(61.7083\)
Root analytic conductor: \(7.85546\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 7728,\ (\ :1/2),\ -1)\)

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 \( 1 - T \)
7 \( 1 - T \)
23 \( 1 + T \)
good5 \( 1 - 3.19T + 5T^{2} \)
11 \( 1 + 5T + 11T^{2} \)
13 \( 1 + 2.19T + 13T^{2} \)
17 \( 1 - T + 17T^{2} \)
19 \( 1 + 7.38T + 19T^{2} \)
29 \( 1 + 5T + 29T^{2} \)
31 \( 1 + 7.38T + 31T^{2} \)
37 \( 1 + 5.38T + 37T^{2} \)
41 \( 1 + T + 41T^{2} \)
43 \( 1 - 0.192T + 43T^{2} \)
47 \( 1 - 0.385T + 47T^{2} \)
53 \( 1 - 5.57T + 53T^{2} \)
59 \( 1 + 3.57T + 59T^{2} \)
61 \( 1 - 3.80T + 61T^{2} \)
67 \( 1 - 3.19T + 67T^{2} \)
71 \( 1 - 2.57T + 71T^{2} \)
73 \( 1 + 9T + 73T^{2} \)
79 \( 1 + 11.7T + 79T^{2} \)
83 \( 1 - 0.614T + 83T^{2} \)
89 \( 1 + 12.5T + 89T^{2} \)
97 \( 1 - 3.77T + 97T^{2} \)
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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

−7.48988892228199219276017745353, −6.95917894497327301570283606295, −5.94601327157683506046132700998, −5.47664138694075781671457427360, −4.82928599466992678616499789068, −3.90937607811772086584339063382, −2.83044343101377629766332249768, −2.17530800916773690356540313391, −1.71649162824622335529075221087, 0, 1.71649162824622335529075221087, 2.17530800916773690356540313391, 2.83044343101377629766332249768, 3.90937607811772086584339063382, 4.82928599466992678616499789068, 5.47664138694075781671457427360, 5.94601327157683506046132700998, 6.95917894497327301570283606295, 7.48988892228199219276017745353

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