Properties

Label 2-7728-1.1-c1-0-51
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 0.537·5-s + 7-s + 9-s + 0.264·11-s + 3.16·13-s + 0.537·15-s − 1.70·17-s + 1.73·19-s + 21-s + 23-s − 4.71·25-s + 27-s − 2.62·29-s − 2.62·31-s + 0.264·33-s + 0.537·35-s + 3.70·37-s + 3.16·39-s + 0.659·41-s + 7.71·43-s + 0.537·45-s + 2.89·47-s + 49-s − 1.70·51-s + 11.2·53-s + 0.142·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.240·5-s + 0.377·7-s + 0.333·9-s + 0.0796·11-s + 0.877·13-s + 0.138·15-s − 0.412·17-s + 0.398·19-s + 0.218·21-s + 0.208·23-s − 0.942·25-s + 0.192·27-s − 0.487·29-s − 0.471·31-s + 0.0460·33-s + 0.0909·35-s + 0.608·37-s + 0.506·39-s + 0.103·41-s + 1.17·43-s + 0.0801·45-s + 0.421·47-s + 0.142·49-s − 0.238·51-s + 1.54·53-s + 0.0191·55-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: \(0\)
Selberg data: \((2,\ 7728,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.076620160\)
\(L(\frac12)\) \(\approx\) \(3.076620160\)
\(L(\frac{3}{2})\) 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 \( 1 - 0.537T + 5T^{2} \)
11 \( 1 - 0.264T + 11T^{2} \)
13 \( 1 - 3.16T + 13T^{2} \)
17 \( 1 + 1.70T + 17T^{2} \)
19 \( 1 - 1.73T + 19T^{2} \)
29 \( 1 + 2.62T + 29T^{2} \)
31 \( 1 + 2.62T + 31T^{2} \)
37 \( 1 - 3.70T + 37T^{2} \)
41 \( 1 - 0.659T + 41T^{2} \)
43 \( 1 - 7.71T + 43T^{2} \)
47 \( 1 - 2.89T + 47T^{2} \)
53 \( 1 - 11.2T + 53T^{2} \)
59 \( 1 - 7.97T + 59T^{2} \)
61 \( 1 + 6.60T + 61T^{2} \)
67 \( 1 + 7.26T + 67T^{2} \)
71 \( 1 - 10.6T + 71T^{2} \)
73 \( 1 - 7.17T + 73T^{2} \)
79 \( 1 + 7.50T + 79T^{2} \)
83 \( 1 - 14.0T + 83T^{2} \)
89 \( 1 - 6.08T + 89T^{2} \)
97 \( 1 + 11.5T + 97T^{2} \)
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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

−7.76940871384075975458183342085, −7.39400338625324874345305799440, −6.44404357263260369432873814099, −5.81283003195828046282008302059, −5.07713464493568397910024316506, −4.10245903489874841455440257350, −3.64867155528023568742995887472, −2.58648872868268205564256625564, −1.87880254153315341627424205900, −0.878018215678570523990908579354, 0.878018215678570523990908579354, 1.87880254153315341627424205900, 2.58648872868268205564256625564, 3.64867155528023568742995887472, 4.10245903489874841455440257350, 5.07713464493568397910024316506, 5.81283003195828046282008302059, 6.44404357263260369432873814099, 7.39400338625324874345305799440, 7.76940871384075975458183342085

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