Properties

Label 2-7728-1.1-c1-0-113
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 − 0.551·5-s − 7-s + 9-s + 0.103·11-s + 5.69·13-s − 0.551·15-s − 4.24·17-s − 19-s − 21-s − 23-s − 4.69·25-s + 27-s + 1.14·29-s − 6.24·31-s + 0.103·33-s + 0.551·35-s + 3.35·37-s + 5.69·39-s − 9.28·41-s + 0.799·43-s − 0.551·45-s − 8.14·47-s + 49-s − 4.24·51-s + 0.695·53-s − 0.0573·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.246·5-s − 0.377·7-s + 0.333·9-s + 0.0313·11-s + 1.57·13-s − 0.142·15-s − 1.03·17-s − 0.229·19-s − 0.218·21-s − 0.208·23-s − 0.939·25-s + 0.192·27-s + 0.212·29-s − 1.12·31-s + 0.0180·33-s + 0.0932·35-s + 0.550·37-s + 0.911·39-s − 1.45·41-s + 0.121·43-s − 0.0822·45-s − 1.18·47-s + 0.142·49-s − 0.594·51-s + 0.0955·53-s − 0.00772·55-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 \( 1 + 0.551T + 5T^{2} \)
11 \( 1 - 0.103T + 11T^{2} \)
13 \( 1 - 5.69T + 13T^{2} \)
17 \( 1 + 4.24T + 17T^{2} \)
19 \( 1 + T + 19T^{2} \)
29 \( 1 - 1.14T + 29T^{2} \)
31 \( 1 + 6.24T + 31T^{2} \)
37 \( 1 - 3.35T + 37T^{2} \)
41 \( 1 + 9.28T + 41T^{2} \)
43 \( 1 - 0.799T + 43T^{2} \)
47 \( 1 + 8.14T + 47T^{2} \)
53 \( 1 - 0.695T + 53T^{2} \)
59 \( 1 - 0.695T + 59T^{2} \)
61 \( 1 - 7.55T + 61T^{2} \)
67 \( 1 - 0.551T + 67T^{2} \)
71 \( 1 + 12.1T + 71T^{2} \)
73 \( 1 + 3.14T + 73T^{2} \)
79 \( 1 + 8.45T + 79T^{2} \)
83 \( 1 - 1.14T + 83T^{2} \)
89 \( 1 - 9.69T + 89T^{2} \)
97 \( 1 - 17.6T + 97T^{2} \)
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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

−7.60496406420858842997410705788, −6.76993923470952246257103141829, −6.27215051840628555631331855670, −5.49474836182993703351749928408, −4.46632165789793993488487958456, −3.81006397087721952126679609148, −3.27580504993202616754446560811, −2.22801481779099395791771375818, −1.40810761122548944621775598874, 0, 1.40810761122548944621775598874, 2.22801481779099395791771375818, 3.27580504993202616754446560811, 3.81006397087721952126679609148, 4.46632165789793993488487958456, 5.49474836182993703351749928408, 6.27215051840628555631331855670, 6.76993923470952246257103141829, 7.60496406420858842997410705788

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