Properties

Label 2-48-1.1-c23-0-14
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $160.897$
Root an. cond. $12.6845$
Motivic weight $23$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.77e5·3-s − 4.88e7·5-s + 1.72e9·7-s + 3.13e10·9-s + 1.42e12·11-s − 8.22e12·13-s + 8.65e12·15-s − 5.98e12·17-s − 6.80e14·19-s − 3.05e14·21-s − 1.54e13·23-s − 9.53e15·25-s − 5.55e15·27-s + 1.15e17·29-s + 9.08e16·31-s − 2.53e17·33-s − 8.42e16·35-s − 1.29e18·37-s + 1.45e18·39-s + 5.21e18·41-s + 2.41e18·43-s − 1.53e18·45-s + 2.31e19·47-s − 2.43e19·49-s + 1.06e18·51-s − 4.45e19·53-s − 6.97e19·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s + 0.329·7-s + 1/3·9-s + 1.50·11-s − 1.27·13-s + 0.258·15-s − 0.0423·17-s − 1.33·19-s − 0.190·21-s − 0.00337·23-s − 0.799·25-s − 0.192·27-s + 1.75·29-s + 0.642·31-s − 0.871·33-s − 0.147·35-s − 1.19·37-s + 0.734·39-s + 1.47·41-s + 0.395·43-s − 0.149·45-s + 1.36·47-s − 0.891·49-s + 0.0244·51-s − 0.659·53-s − 0.675·55-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: yes
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 \( 1 + p^{11} T \)
good5 \( 1 + 9772746 p T + p^{23} T^{2} \)
7 \( 1 - 35177320 p^{2} T + p^{23} T^{2} \)
11 \( 1 - 129842107284 p T + p^{23} T^{2} \)
13 \( 1 + 632381849602 p T + p^{23} T^{2} \)
17 \( 1 + 5989210330446 T + p^{23} T^{2} \)
19 \( 1 + 35789762172404 p T + p^{23} T^{2} \)
23 \( 1 + 15440648191080 T + p^{23} T^{2} \)
29 \( 1 - 115094192813324022 T + p^{23} T^{2} \)
31 \( 1 - 90829724501108800 T + p^{23} T^{2} \)
37 \( 1 + 1297873386623227570 T + p^{23} T^{2} \)
41 \( 1 - 5214036225478655130 T + p^{23} T^{2} \)
43 \( 1 - 2410434516296794108 T + p^{23} T^{2} \)
47 \( 1 - 23132669525900803824 T + p^{23} T^{2} \)
53 \( 1 + 44512631945276522850 T + p^{23} T^{2} \)
59 \( 1 - \)\(32\!\cdots\!76\)\( T + p^{23} T^{2} \)
61 \( 1 + \)\(19\!\cdots\!22\)\( T + p^{23} T^{2} \)
67 \( 1 - \)\(64\!\cdots\!96\)\( T + p^{23} T^{2} \)
71 \( 1 + \)\(35\!\cdots\!12\)\( T + p^{23} T^{2} \)
73 \( 1 - \)\(33\!\cdots\!70\)\( T + p^{23} T^{2} \)
79 \( 1 - \)\(68\!\cdots\!20\)\( T + p^{23} T^{2} \)
83 \( 1 - \)\(11\!\cdots\!44\)\( T + p^{23} T^{2} \)
89 \( 1 + \)\(23\!\cdots\!74\)\( T + p^{23} T^{2} \)
97 \( 1 + \)\(30\!\cdots\!86\)\( T + p^{23} T^{2} \)
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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

−10.75967858661460162090564934586, −9.593801703422847802782498658088, −8.365352403386498479799244708784, −7.09990119689153597539638690338, −6.18299981059104311479472306819, −4.73804068996480651754075944873, −3.98071394945233049586377912456, −2.35764717769058245240720713761, −1.10700616729042341780425901424, 0, 1.10700616729042341780425901424, 2.35764717769058245240720713761, 3.98071394945233049586377912456, 4.73804068996480651754075944873, 6.18299981059104311479472306819, 7.09990119689153597539638690338, 8.365352403386498479799244708784, 9.593801703422847802782498658088, 10.75967858661460162090564934586

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