Properties

Label 2-7728-1.1-c1-0-29
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 + 3.61·5-s − 7-s + 9-s − 11-s + 0.618·13-s − 3.61·15-s − 5.47·17-s − 4.23·19-s + 21-s − 23-s + 8.09·25-s − 27-s + 1.76·29-s + 8.70·31-s + 33-s − 3.61·35-s + 0.236·37-s − 0.618·39-s − 3.47·41-s + 3.85·43-s + 3.61·45-s − 11.7·47-s + 49-s + 5.47·51-s − 0.0901·53-s − 3.61·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 1.61·5-s − 0.377·7-s + 0.333·9-s − 0.301·11-s + 0.171·13-s − 0.934·15-s − 1.32·17-s − 0.971·19-s + 0.218·21-s − 0.208·23-s + 1.61·25-s − 0.192·27-s + 0.327·29-s + 1.56·31-s + 0.174·33-s − 0.611·35-s + 0.0388·37-s − 0.0989·39-s − 0.542·41-s + 0.587·43-s + 0.539·45-s − 1.70·47-s + 0.142·49-s + 0.766·51-s − 0.0123·53-s − 0.487·55-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

\(L(1)\) \(\approx\) \(1.929375306\)
\(L(\frac12)\) \(\approx\) \(1.929375306\)
\(L(\frac{3}{2})\) 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 \( 1 - 3.61T + 5T^{2} \)
11 \( 1 + T + 11T^{2} \)
13 \( 1 - 0.618T + 13T^{2} \)
17 \( 1 + 5.47T + 17T^{2} \)
19 \( 1 + 4.23T + 19T^{2} \)
29 \( 1 - 1.76T + 29T^{2} \)
31 \( 1 - 8.70T + 31T^{2} \)
37 \( 1 - 0.236T + 37T^{2} \)
41 \( 1 + 3.47T + 41T^{2} \)
43 \( 1 - 3.85T + 43T^{2} \)
47 \( 1 + 11.7T + 47T^{2} \)
53 \( 1 + 0.0901T + 53T^{2} \)
59 \( 1 - 3.61T + 59T^{2} \)
61 \( 1 + 7.85T + 61T^{2} \)
67 \( 1 - 8.09T + 67T^{2} \)
71 \( 1 - 10.3T + 71T^{2} \)
73 \( 1 - 1.76T + 73T^{2} \)
79 \( 1 - 14.2T + 79T^{2} \)
83 \( 1 - 17.9T + 83T^{2} \)
89 \( 1 - 13.5T + 89T^{2} \)
97 \( 1 - 6.70T + 97T^{2} \)
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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

−7.904630603513350172279047108233, −6.71782593606122437679922198866, −6.42017326403305414967239293656, −6.01263300083463931782758747007, −5.00353327773323228069621979639, −4.64778310095972960498113334647, −3.48209687558609221778311485796, −2.38248205655344413828348849842, −1.94920769400065955433230506405, −0.69882725097719064123446083580, 0.69882725097719064123446083580, 1.94920769400065955433230506405, 2.38248205655344413828348849842, 3.48209687558609221778311485796, 4.64778310095972960498113334647, 5.00353327773323228069621979639, 6.01263300083463931782758747007, 6.42017326403305414967239293656, 6.71782593606122437679922198866, 7.904630603513350172279047108233

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