Properties

Label 2-48-1.1-c21-0-17
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 + 1.51e7·5-s + 8.40e8·7-s + 3.48e9·9-s + 3.34e10·11-s − 3.01e11·13-s − 8.93e11·15-s + 5.14e12·17-s − 4.56e13·19-s − 4.96e13·21-s − 2.41e13·23-s − 2.47e14·25-s − 2.05e14·27-s + 7.82e14·29-s − 8.00e15·31-s − 1.97e15·33-s + 1.27e16·35-s + 2.06e16·37-s + 1.77e16·39-s − 7.03e16·41-s − 6.95e15·43-s + 5.27e16·45-s + 2.12e17·47-s + 1.48e17·49-s − 3.03e17·51-s + 8.69e17·53-s + 5.06e17·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.693·5-s + 1.12·7-s + 0.333·9-s + 0.389·11-s − 0.605·13-s − 0.400·15-s + 0.618·17-s − 1.70·19-s − 0.649·21-s − 0.121·23-s − 0.519·25-s − 0.192·27-s + 0.345·29-s − 1.75·31-s − 0.224·33-s + 0.779·35-s + 0.706·37-s + 0.349·39-s − 0.818·41-s − 0.0490·43-s + 0.231·45-s + 0.589·47-s + 0.265·49-s − 0.357·51-s + 0.682·53-s + 0.269·55-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 \( 1 - 1.51e7T + 4.76e14T^{2} \)
7 \( 1 - 8.40e8T + 5.58e17T^{2} \)
11 \( 1 - 3.34e10T + 7.40e21T^{2} \)
13 \( 1 + 3.01e11T + 2.47e23T^{2} \)
17 \( 1 - 5.14e12T + 6.90e25T^{2} \)
19 \( 1 + 4.56e13T + 7.14e26T^{2} \)
23 \( 1 + 2.41e13T + 3.94e28T^{2} \)
29 \( 1 - 7.82e14T + 5.13e30T^{2} \)
31 \( 1 + 8.00e15T + 2.08e31T^{2} \)
37 \( 1 - 2.06e16T + 8.55e32T^{2} \)
41 \( 1 + 7.03e16T + 7.38e33T^{2} \)
43 \( 1 + 6.95e15T + 2.00e34T^{2} \)
47 \( 1 - 2.12e17T + 1.30e35T^{2} \)
53 \( 1 - 8.69e17T + 1.62e36T^{2} \)
59 \( 1 + 9.80e17T + 1.54e37T^{2} \)
61 \( 1 - 5.62e18T + 3.10e37T^{2} \)
67 \( 1 + 2.36e18T + 2.22e38T^{2} \)
71 \( 1 + 4.99e19T + 7.52e38T^{2} \)
73 \( 1 - 2.63e19T + 1.34e39T^{2} \)
79 \( 1 + 1.05e20T + 7.08e39T^{2} \)
83 \( 1 + 8.96e19T + 1.99e40T^{2} \)
89 \( 1 - 4.71e20T + 8.65e40T^{2} \)
97 \( 1 + 3.93e20T + 5.27e41T^{2} \)
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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

−10.92667600617837613074850465087, −9.943236880943449386325979880423, −8.649294012862941444282885343151, −7.39260692102183234641564773207, −6.11272062769209798535841699479, −5.14961845438057063350267914616, −4.07151163531843489355716519094, −2.22599705205258875705127266470, −1.40758191174600192427931848490, 0, 1.40758191174600192427931848490, 2.22599705205258875705127266470, 4.07151163531843489355716519094, 5.14961845438057063350267914616, 6.11272062769209798535841699479, 7.39260692102183234641564773207, 8.649294012862941444282885343151, 9.943236880943449386325979880423, 10.92667600617837613074850465087

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