Properties

Label 2-48-1.1-c7-0-5
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $14.9944$
Root an. cond. $3.87227$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 27·3-s + 270·5-s − 1.11e3·7-s + 729·9-s + 5.72e3·11-s − 4.57e3·13-s − 7.29e3·15-s − 3.65e4·17-s − 5.17e4·19-s + 3.00e4·21-s − 2.22e4·23-s − 5.22e3·25-s − 1.96e4·27-s − 1.57e5·29-s + 1.03e5·31-s − 1.54e5·33-s − 3.00e5·35-s − 9.48e4·37-s + 1.23e5·39-s + 6.59e5·41-s + 7.57e4·43-s + 1.96e5·45-s − 4.05e5·47-s + 4.13e5·49-s + 9.87e5·51-s − 1.34e6·53-s + 1.54e6·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.965·5-s − 1.22·7-s + 1/3·9-s + 1.29·11-s − 0.576·13-s − 0.557·15-s − 1.80·17-s − 1.73·19-s + 0.707·21-s − 0.381·23-s − 0.0668·25-s − 0.192·27-s − 1.19·29-s + 0.626·31-s − 0.748·33-s − 1.18·35-s − 0.307·37-s + 0.333·39-s + 1.49·41-s + 0.145·43-s + 0.321·45-s − 0.569·47-s + 0.501·49-s + 1.04·51-s − 1.24·53-s + 1.25·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-1$
Analytic conductor: \(14.9944\)
Root analytic conductor: \(3.87227\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 48,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) 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 \( 1 + p^{3} T \)
good5 \( 1 - 54 p T + p^{7} T^{2} \)
7 \( 1 + 1112 T + p^{7} T^{2} \)
11 \( 1 - 5724 T + p^{7} T^{2} \)
13 \( 1 + 4570 T + p^{7} T^{2} \)
17 \( 1 + 36558 T + p^{7} T^{2} \)
19 \( 1 + 51740 T + p^{7} T^{2} \)
23 \( 1 + 22248 T + p^{7} T^{2} \)
29 \( 1 + 157194 T + p^{7} T^{2} \)
31 \( 1 - 103936 T + p^{7} T^{2} \)
37 \( 1 + 94834 T + p^{7} T^{2} \)
41 \( 1 - 659610 T + p^{7} T^{2} \)
43 \( 1 - 75772 T + p^{7} T^{2} \)
47 \( 1 + 405648 T + p^{7} T^{2} \)
53 \( 1 + 1346274 T + p^{7} T^{2} \)
59 \( 1 - 1303884 T + p^{7} T^{2} \)
61 \( 1 - 30062 p T + p^{7} T^{2} \)
67 \( 1 + 1369388 T + p^{7} T^{2} \)
71 \( 1 + 2714040 T + p^{7} T^{2} \)
73 \( 1 - 2868794 T + p^{7} T^{2} \)
79 \( 1 - 1129648 T + p^{7} T^{2} \)
83 \( 1 + 5912028 T + p^{7} T^{2} \)
89 \( 1 + 897750 T + p^{7} T^{2} \)
97 \( 1 - 13719074 T + p^{7} T^{2} \)
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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

−13.36523989078244672715467420737, −12.59395830261224074868032566621, −11.16785668576431430521990292433, −9.882269363854955837609103233618, −9.031593177910491907801163682837, −6.71224496459768726828050010923, −6.10727173926419474050698802730, −4.21245170640410358770610947569, −2.10008144971831805440499734162, 0, 2.10008144971831805440499734162, 4.21245170640410358770610947569, 6.10727173926419474050698802730, 6.71224496459768726828050010923, 9.031593177910491907801163682837, 9.882269363854955837609103233618, 11.16785668576431430521990292433, 12.59395830261224074868032566621, 13.36523989078244672715467420737

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