Properties

Label 2-2548-1.1-c1-0-13
Degree $2$
Conductor $2548$
Sign $-1$
Analytic cond. $20.3458$
Root an. cond. $4.51064$
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  − 2.71·3-s − 3.85·5-s + 4.39·9-s − 0.245·11-s + 13-s + 10.4·15-s − 7.16·17-s + 5.01·19-s − 7.80·23-s + 9.87·25-s − 3.80·27-s + 7.54·29-s + 5.89·31-s + 0.668·33-s + 9.24·37-s − 2.71·39-s + 6.63·41-s − 0.559·43-s − 16.9·45-s − 2.69·47-s + 19.4·51-s − 6.48·53-s + 0.947·55-s − 13.6·57-s + 8.50·59-s − 1.89·61-s − 3.85·65-s + ⋯
L(s)  = 1  − 1.57·3-s − 1.72·5-s + 1.46·9-s − 0.0740·11-s + 0.277·13-s + 2.70·15-s − 1.73·17-s + 1.15·19-s − 1.62·23-s + 1.97·25-s − 0.731·27-s + 1.40·29-s + 1.05·31-s + 0.116·33-s + 1.51·37-s − 0.435·39-s + 1.03·41-s − 0.0853·43-s − 2.52·45-s − 0.393·47-s + 2.72·51-s − 0.890·53-s + 0.127·55-s − 1.80·57-s + 1.10·59-s − 0.242·61-s − 0.478·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2548 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2548 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2548\)    =    \(2^{2} \cdot 7^{2} \cdot 13\)
Sign: $-1$
Analytic conductor: \(20.3458\)
Root analytic conductor: \(4.51064\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 2548,\ (\ :1/2),\ -1)\)

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 \( 1 \)
7 \( 1 \)
13 \( 1 - T \)
good3 \( 1 + 2.71T + 3T^{2} \)
5 \( 1 + 3.85T + 5T^{2} \)
11 \( 1 + 0.245T + 11T^{2} \)
17 \( 1 + 7.16T + 17T^{2} \)
19 \( 1 - 5.01T + 19T^{2} \)
23 \( 1 + 7.80T + 23T^{2} \)
29 \( 1 - 7.54T + 29T^{2} \)
31 \( 1 - 5.89T + 31T^{2} \)
37 \( 1 - 9.24T + 37T^{2} \)
41 \( 1 - 6.63T + 41T^{2} \)
43 \( 1 + 0.559T + 43T^{2} \)
47 \( 1 + 2.69T + 47T^{2} \)
53 \( 1 + 6.48T + 53T^{2} \)
59 \( 1 - 8.50T + 59T^{2} \)
61 \( 1 + 1.89T + 61T^{2} \)
67 \( 1 + 0.851T + 67T^{2} \)
71 \( 1 + 1.08T + 71T^{2} \)
73 \( 1 + 1.71T + 73T^{2} \)
79 \( 1 - 10.5T + 79T^{2} \)
83 \( 1 - 9.31T + 83T^{2} \)
89 \( 1 + 15.6T + 89T^{2} \)
97 \( 1 - 0.00695T + 97T^{2} \)
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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

−8.200506704201386222534068382604, −7.81870986971578044419146512616, −6.73974125403333887990867454334, −6.38598522781211034474968259008, −5.32132204949714686236038376502, −4.39773478517033842729343596089, −4.13561388233245189716375177772, −2.76609825619625087609745839128, −0.973210217265114528184785970518, 0, 0.973210217265114528184785970518, 2.76609825619625087609745839128, 4.13561388233245189716375177772, 4.39773478517033842729343596089, 5.32132204949714686236038376502, 6.38598522781211034474968259008, 6.73974125403333887990867454334, 7.81870986971578044419146512616, 8.200506704201386222534068382604

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