Properties

Label 2-7728-1.1-c1-0-82
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 + 3.16·5-s + 7-s + 9-s + 6.43·11-s + 0.537·13-s + 3.16·15-s − 1.70·17-s − 4.43·19-s + 21-s + 23-s + 5.00·25-s + 27-s + 2.62·29-s + 2.62·31-s + 6.43·33-s + 3.16·35-s + 3.70·37-s + 0.537·39-s − 10.7·41-s − 2.00·43-s + 3.16·45-s + 3.81·47-s + 49-s − 1.70·51-s − 2.82·53-s + 20.3·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 1.41·5-s + 0.377·7-s + 0.333·9-s + 1.94·11-s + 0.149·13-s + 0.816·15-s − 0.412·17-s − 1.01·19-s + 0.218·21-s + 0.208·23-s + 1.00·25-s + 0.192·27-s + 0.487·29-s + 0.471·31-s + 1.12·33-s + 0.534·35-s + 0.608·37-s + 0.0861·39-s − 1.68·41-s − 0.306·43-s + 0.471·45-s + 0.555·47-s + 0.142·49-s − 0.238·51-s − 0.387·53-s + 2.74·55-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

\(L(1)\) \(\approx\) \(4.327105465\)
\(L(\frac12)\) \(\approx\) \(4.327105465\)
\(L(\frac{3}{2})\) 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 \( 1 - 3.16T + 5T^{2} \)
11 \( 1 - 6.43T + 11T^{2} \)
13 \( 1 - 0.537T + 13T^{2} \)
17 \( 1 + 1.70T + 17T^{2} \)
19 \( 1 + 4.43T + 19T^{2} \)
29 \( 1 - 2.62T + 29T^{2} \)
31 \( 1 - 2.62T + 31T^{2} \)
37 \( 1 - 3.70T + 37T^{2} \)
41 \( 1 + 10.7T + 41T^{2} \)
43 \( 1 + 2.00T + 43T^{2} \)
47 \( 1 - 3.81T + 47T^{2} \)
53 \( 1 + 2.82T + 53T^{2} \)
59 \( 1 - 4.42T + 59T^{2} \)
61 \( 1 - 2.19T + 61T^{2} \)
67 \( 1 - 12.9T + 67T^{2} \)
71 \( 1 + 4.33T + 71T^{2} \)
73 \( 1 + 5.17T + 73T^{2} \)
79 \( 1 - 10.0T + 79T^{2} \)
83 \( 1 - 8.77T + 83T^{2} \)
89 \( 1 + 1.78T + 89T^{2} \)
97 \( 1 - 6.09T + 97T^{2} \)
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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

−8.083920722354665600101333824082, −6.80125930225774404579034064904, −6.64170183687900823160057651040, −5.93212520592223804596028593850, −5.01594730667910845480537520293, −4.26733599447819891692850250015, −3.55478801855422007427335837978, −2.47199553108069829720410925321, −1.82061239721307297632322921474, −1.11607938391863845031644846660, 1.11607938391863845031644846660, 1.82061239721307297632322921474, 2.47199553108069829720410925321, 3.55478801855422007427335837978, 4.26733599447819891692850250015, 5.01594730667910845480537520293, 5.93212520592223804596028593850, 6.64170183687900823160057651040, 6.80125930225774404579034064904, 8.083920722354665600101333824082

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