Properties

Label 2-48-1.1-c25-0-9
Degree $2$
Conductor $48$
Sign $1$
Analytic cond. $190.078$
Root an. cond. $13.7868$
Motivic weight $25$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.31e5·3-s − 6.59e8·5-s + 5.77e9·7-s + 2.82e11·9-s + 1.69e13·11-s + 2.46e13·13-s − 3.50e14·15-s − 5.10e14·17-s + 1.76e16·19-s + 3.07e15·21-s + 1.34e17·23-s + 1.37e17·25-s + 1.50e17·27-s − 3.40e18·29-s − 2.54e18·31-s + 9.02e18·33-s − 3.81e18·35-s − 1.75e19·37-s + 1.31e19·39-s − 1.90e20·41-s + 1.16e20·43-s − 1.86e20·45-s − 6.74e20·47-s − 1.30e21·49-s − 2.71e20·51-s + 1.40e21·53-s − 1.11e22·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 1.20·5-s + 0.157·7-s + 0.333·9-s + 1.63·11-s + 0.293·13-s − 0.697·15-s − 0.212·17-s + 1.82·19-s + 0.0911·21-s + 1.28·23-s + 0.460·25-s + 0.192·27-s − 1.78·29-s − 0.580·31-s + 0.941·33-s − 0.190·35-s − 0.437·37-s + 0.169·39-s − 1.31·41-s + 0.444·43-s − 0.402·45-s − 0.846·47-s − 0.975·49-s − 0.122·51-s + 0.393·53-s − 1.97·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(26-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+25/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $1$
Analytic conductor: \(190.078\)
Root analytic conductor: \(13.7868\)
Motivic weight: \(25\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 48,\ (\ :25/2),\ 1)\)

Particular Values

\(L(13)\) \(\approx\) \(2.742688485\)
\(L(\frac12)\) \(\approx\) \(2.742688485\)
\(L(\frac{27}{2})\) 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 \( 1 - 5.31e5T \)
good5 \( 1 + 6.59e8T + 2.98e17T^{2} \)
7 \( 1 - 5.77e9T + 1.34e21T^{2} \)
11 \( 1 - 1.69e13T + 1.08e26T^{2} \)
13 \( 1 - 2.46e13T + 7.05e27T^{2} \)
17 \( 1 + 5.10e14T + 5.77e30T^{2} \)
19 \( 1 - 1.76e16T + 9.30e31T^{2} \)
23 \( 1 - 1.34e17T + 1.10e34T^{2} \)
29 \( 1 + 3.40e18T + 3.63e36T^{2} \)
31 \( 1 + 2.54e18T + 1.92e37T^{2} \)
37 \( 1 + 1.75e19T + 1.60e39T^{2} \)
41 \( 1 + 1.90e20T + 2.08e40T^{2} \)
43 \( 1 - 1.16e20T + 6.86e40T^{2} \)
47 \( 1 + 6.74e20T + 6.34e41T^{2} \)
53 \( 1 - 1.40e21T + 1.27e43T^{2} \)
59 \( 1 - 2.44e22T + 1.86e44T^{2} \)
61 \( 1 - 3.64e21T + 4.29e44T^{2} \)
67 \( 1 - 2.07e22T + 4.48e45T^{2} \)
71 \( 1 - 1.15e23T + 1.91e46T^{2} \)
73 \( 1 - 1.69e23T + 3.82e46T^{2} \)
79 \( 1 + 2.79e23T + 2.75e47T^{2} \)
83 \( 1 - 5.68e23T + 9.48e47T^{2} \)
89 \( 1 + 1.67e23T + 5.42e48T^{2} \)
97 \( 1 - 1.20e25T + 4.66e49T^{2} \)
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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

−11.27857764734859013095133423985, −9.562542929420893982590980193143, −8.746289166374876062092888489819, −7.60111523255754678186891631242, −6.81774250907727344696150844231, −5.14376264981108529391410331115, −3.79815625953382801411029409052, −3.38843550612508737514040111106, −1.68875284423134276618370847208, −0.71813340214964862987116786123, 0.71813340214964862987116786123, 1.68875284423134276618370847208, 3.38843550612508737514040111106, 3.79815625953382801411029409052, 5.14376264981108529391410331115, 6.81774250907727344696150844231, 7.60111523255754678186891631242, 8.746289166374876062092888489819, 9.562542929420893982590980193143, 11.27857764734859013095133423985

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