Properties

Label 2-48-1.1-c21-0-18
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $134.149$
Root an. cond. $11.5822$
Motivic weight $21$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.90e4·3-s − 1.13e7·5-s + 8.09e8·7-s + 3.48e9·9-s + 5.57e10·11-s − 2.33e11·13-s − 6.67e11·15-s − 9.51e12·17-s − 1.41e13·19-s + 4.78e13·21-s − 1.44e14·23-s − 3.49e14·25-s + 2.05e14·27-s + 1.75e15·29-s − 1.79e15·31-s + 3.29e15·33-s − 9.15e15·35-s + 5.36e16·37-s − 1.37e16·39-s + 6.45e16·41-s − 1.20e17·43-s − 3.94e16·45-s − 6.12e17·47-s + 9.75e16·49-s − 5.61e17·51-s − 3.70e17·53-s − 6.30e17·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.517·5-s + 1.08·7-s + 0.333·9-s + 0.648·11-s − 0.469·13-s − 0.298·15-s − 1.14·17-s − 0.530·19-s + 0.625·21-s − 0.729·23-s − 0.731·25-s + 0.192·27-s + 0.776·29-s − 0.393·31-s + 0.374·33-s − 0.561·35-s + 1.83·37-s − 0.271·39-s + 0.750·41-s − 0.847·43-s − 0.172·45-s − 1.69·47-s + 0.174·49-s − 0.660·51-s − 0.291·53-s − 0.335·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-1$
Analytic conductor: \(134.149\)
Root analytic conductor: \(11.5822\)
Motivic weight: \(21\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 48,\ (\ :21/2),\ -1)\)

Particular Values

\(L(11)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{23}{2})\) 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 \( 1 - 5.90e4T \)
good5 \( 1 + 1.13e7T + 4.76e14T^{2} \)
7 \( 1 - 8.09e8T + 5.58e17T^{2} \)
11 \( 1 - 5.57e10T + 7.40e21T^{2} \)
13 \( 1 + 2.33e11T + 2.47e23T^{2} \)
17 \( 1 + 9.51e12T + 6.90e25T^{2} \)
19 \( 1 + 1.41e13T + 7.14e26T^{2} \)
23 \( 1 + 1.44e14T + 3.94e28T^{2} \)
29 \( 1 - 1.75e15T + 5.13e30T^{2} \)
31 \( 1 + 1.79e15T + 2.08e31T^{2} \)
37 \( 1 - 5.36e16T + 8.55e32T^{2} \)
41 \( 1 - 6.45e16T + 7.38e33T^{2} \)
43 \( 1 + 1.20e17T + 2.00e34T^{2} \)
47 \( 1 + 6.12e17T + 1.30e35T^{2} \)
53 \( 1 + 3.70e17T + 1.62e36T^{2} \)
59 \( 1 - 4.74e18T + 1.54e37T^{2} \)
61 \( 1 + 8.07e18T + 3.10e37T^{2} \)
67 \( 1 + 2.31e17T + 2.22e38T^{2} \)
71 \( 1 - 2.36e19T + 7.52e38T^{2} \)
73 \( 1 + 2.16e19T + 1.34e39T^{2} \)
79 \( 1 + 2.92e19T + 7.08e39T^{2} \)
83 \( 1 + 1.33e20T + 1.99e40T^{2} \)
89 \( 1 - 4.98e20T + 8.65e40T^{2} \)
97 \( 1 + 6.53e20T + 5.27e41T^{2} \)
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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

−11.07082666691586890221115048900, −9.651115396387438328219704939220, −8.465985842189509180471110653448, −7.71489254652025955122157898640, −6.41495698140621031390294932295, −4.72638934636013517668819527317, −3.96650358143931719579826948386, −2.45426700419863481786839618569, −1.46539072560844591562597806557, 0, 1.46539072560844591562597806557, 2.45426700419863481786839618569, 3.96650358143931719579826948386, 4.72638934636013517668819527317, 6.41495698140621031390294932295, 7.71489254652025955122157898640, 8.465985842189509180471110653448, 9.651115396387438328219704939220, 11.07082666691586890221115048900

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