Properties

Label 2-48-1.1-c23-0-22
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $160.897$
Root an. cond. $12.6845$
Motivic weight $23$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.77e5·3-s + 3.07e6·5-s + 6.69e9·7-s + 3.13e10·9-s + 1.09e12·11-s + 9.54e10·13-s + 5.44e11·15-s − 2.80e14·17-s − 6.10e14·19-s + 1.18e15·21-s − 1.07e15·23-s − 1.19e16·25-s + 5.55e15·27-s − 8.47e16·29-s − 2.18e16·31-s + 1.93e17·33-s + 2.05e16·35-s − 1.71e18·37-s + 1.69e16·39-s + 4.07e18·41-s + 7.16e18·43-s + 9.64e16·45-s − 1.19e19·47-s + 1.74e19·49-s − 4.96e19·51-s − 5.50e19·53-s + 3.36e18·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.0281·5-s + 1.27·7-s + 0.333·9-s + 1.15·11-s + 0.0147·13-s + 0.0162·15-s − 1.98·17-s − 1.20·19-s + 0.738·21-s − 0.235·23-s − 0.999·25-s + 0.192·27-s − 1.28·29-s − 0.154·31-s + 0.668·33-s + 0.0360·35-s − 1.58·37-s + 0.00852·39-s + 1.15·41-s + 1.17·43-s + 0.00938·45-s − 0.704·47-s + 0.636·49-s − 1.14·51-s − 0.816·53-s + 0.0325·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(24-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+23/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-1$
Analytic conductor: \(160.897\)
Root analytic conductor: \(12.6845\)
Motivic weight: \(23\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 48,\ (\ :23/2),\ -1)\)

Particular Values

\(L(12)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{25}{2})\) 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 \( 1 - 1.77e5T \)
good5 \( 1 - 3.07e6T + 1.19e16T^{2} \)
7 \( 1 - 6.69e9T + 2.73e19T^{2} \)
11 \( 1 - 1.09e12T + 8.95e23T^{2} \)
13 \( 1 - 9.54e10T + 4.17e25T^{2} \)
17 \( 1 + 2.80e14T + 1.99e28T^{2} \)
19 \( 1 + 6.10e14T + 2.57e29T^{2} \)
23 \( 1 + 1.07e15T + 2.08e31T^{2} \)
29 \( 1 + 8.47e16T + 4.31e33T^{2} \)
31 \( 1 + 2.18e16T + 2.00e34T^{2} \)
37 \( 1 + 1.71e18T + 1.17e36T^{2} \)
41 \( 1 - 4.07e18T + 1.24e37T^{2} \)
43 \( 1 - 7.16e18T + 3.71e37T^{2} \)
47 \( 1 + 1.19e19T + 2.87e38T^{2} \)
53 \( 1 + 5.50e19T + 4.55e39T^{2} \)
59 \( 1 + 1.14e20T + 5.36e40T^{2} \)
61 \( 1 - 1.24e20T + 1.15e41T^{2} \)
67 \( 1 + 9.94e20T + 9.99e41T^{2} \)
71 \( 1 - 1.08e21T + 3.79e42T^{2} \)
73 \( 1 + 1.58e21T + 7.18e42T^{2} \)
79 \( 1 + 9.14e21T + 4.42e43T^{2} \)
83 \( 1 + 6.46e21T + 1.37e44T^{2} \)
89 \( 1 - 2.72e22T + 6.85e44T^{2} \)
97 \( 1 - 8.96e22T + 4.96e45T^{2} \)
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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

−10.80241464053936174976705582877, −9.222743791041294020091541570090, −8.531586449057876222755009712736, −7.36230473926253667656207306181, −6.16924936115059175366816514620, −4.59492664176560647860682852197, −3.89274080708078817296303032547, −2.16427604459853005823344194071, −1.60979279909510487389042113185, 0, 1.60979279909510487389042113185, 2.16427604459853005823344194071, 3.89274080708078817296303032547, 4.59492664176560647860682852197, 6.16924936115059175366816514620, 7.36230473926253667656207306181, 8.531586449057876222755009712736, 9.222743791041294020091541570090, 10.80241464053936174976705582877

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