Properties

Label 2-48-1.1-c15-0-11
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $68.4928$
Root an. cond. $8.27604$
Motivic weight $15$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.18e3·3-s − 4.20e4·5-s − 3.85e5·7-s + 4.78e6·9-s − 2.04e7·11-s + 7.52e7·13-s − 9.18e7·15-s + 6.39e8·17-s − 2.67e8·19-s − 8.43e8·21-s − 5.71e8·23-s − 2.87e10·25-s + 1.04e10·27-s − 6.24e10·29-s + 1.24e9·31-s − 4.47e10·33-s + 1.62e10·35-s − 4.08e11·37-s + 1.64e11·39-s − 1.37e12·41-s + 1.92e12·43-s − 2.00e11·45-s + 4.74e12·47-s − 4.59e12·49-s + 1.39e12·51-s − 3.26e12·53-s + 8.58e11·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.240·5-s − 0.177·7-s + 1/3·9-s − 0.316·11-s + 0.332·13-s − 0.138·15-s + 0.378·17-s − 0.0685·19-s − 0.102·21-s − 0.0350·23-s − 0.942·25-s + 0.192·27-s − 0.672·29-s + 0.00811·31-s − 0.182·33-s + 0.0425·35-s − 0.706·37-s + 0.191·39-s − 1.10·41-s + 1.07·43-s − 0.0801·45-s + 1.36·47-s − 0.968·49-s + 0.218·51-s − 0.381·53-s + 0.0760·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(16-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+15/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-1$
Analytic conductor: \(68.4928\)
Root analytic conductor: \(8.27604\)
Motivic weight: \(15\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 48,\ (\ :15/2),\ -1)\)

Particular Values

\(L(8)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{17}{2})\) 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 \( 1 - p^{7} T \)
good5 \( 1 + 8402 p T + p^{15} T^{2} \)
7 \( 1 + 7872 p^{2} T + p^{15} T^{2} \)
11 \( 1 + 20444300 T + p^{15} T^{2} \)
13 \( 1 - 5786254 p T + p^{15} T^{2} \)
17 \( 1 - 639707746 T + p^{15} T^{2} \)
19 \( 1 + 267006356 T + p^{15} T^{2} \)
23 \( 1 + 571925576 T + p^{15} T^{2} \)
29 \( 1 + 62437913154 T + p^{15} T^{2} \)
31 \( 1 - 1243357000 T + p^{15} T^{2} \)
37 \( 1 + 408247831602 T + p^{15} T^{2} \)
41 \( 1 + 1376815491990 T + p^{15} T^{2} \)
43 \( 1 - 1923521494772 T + p^{15} T^{2} \)
47 \( 1 - 4743411679104 T + p^{15} T^{2} \)
53 \( 1 + 3260491936570 T + p^{15} T^{2} \)
59 \( 1 + 6734040423500 T + p^{15} T^{2} \)
61 \( 1 + 10498750519274 T + p^{15} T^{2} \)
67 \( 1 + 42186307399892 T + p^{15} T^{2} \)
71 \( 1 + 81526680652600 T + p^{15} T^{2} \)
73 \( 1 + 37550447155142 T + p^{15} T^{2} \)
79 \( 1 + 169301409686344 T + p^{15} T^{2} \)
83 \( 1 + 357833604131476 T + p^{15} T^{2} \)
89 \( 1 + 157672146871542 T + p^{15} T^{2} \)
97 \( 1 + 1220442820436926 T + p^{15} T^{2} \)
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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

−11.96985352564320719570460868448, −10.63687054323431130162794050931, −9.460387790524266453440807166320, −8.284910904292455410508944414595, −7.22217764598194354043969403902, −5.72088711182041834446617955579, −4.15658736066153881205692465589, −2.99649769346770320620483084137, −1.59561888710347696838953795528, 0, 1.59561888710347696838953795528, 2.99649769346770320620483084137, 4.15658736066153881205692465589, 5.72088711182041834446617955579, 7.22217764598194354043969403902, 8.284910904292455410508944414595, 9.460387790524266453440807166320, 10.63687054323431130162794050931, 11.96985352564320719570460868448

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