Properties

Label 2-48-1.1-c5-0-2
Degree $2$
Conductor $48$
Sign $1$
Analytic cond. $7.69842$
Root an. cond. $2.77460$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 9·3-s + 94·5-s − 144·7-s + 81·9-s + 380·11-s + 814·13-s + 846·15-s − 862·17-s + 1.15e3·19-s − 1.29e3·21-s + 488·23-s + 5.71e3·25-s + 729·27-s − 5.46e3·29-s − 9.56e3·31-s + 3.42e3·33-s − 1.35e4·35-s − 1.05e4·37-s + 7.32e3·39-s − 5.19e3·41-s + 1.70e4·43-s + 7.61e3·45-s − 3.16e3·47-s + 3.92e3·49-s − 7.75e3·51-s − 2.47e4·53-s + 3.57e4·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 1.68·5-s − 1.11·7-s + 1/3·9-s + 0.946·11-s + 1.33·13-s + 0.970·15-s − 0.723·17-s + 0.734·19-s − 0.641·21-s + 0.192·23-s + 1.82·25-s + 0.192·27-s − 1.20·29-s − 1.78·31-s + 0.546·33-s − 1.86·35-s − 1.26·37-s + 0.771·39-s − 0.482·41-s + 1.40·43-s + 0.560·45-s − 0.209·47-s + 0.233·49-s − 0.417·51-s − 1.21·53-s + 1.59·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $1$
Analytic conductor: \(7.69842\)
Root analytic conductor: \(2.77460\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 48,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(2.417423290\)
\(L(\frac12)\) \(\approx\) \(2.417423290\)
\(L(\frac{7}{2})\) 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 \( 1 - p^{2} T \)
good5 \( 1 - 94 T + p^{5} T^{2} \)
7 \( 1 + 144 T + p^{5} T^{2} \)
11 \( 1 - 380 T + p^{5} T^{2} \)
13 \( 1 - 814 T + p^{5} T^{2} \)
17 \( 1 + 862 T + p^{5} T^{2} \)
19 \( 1 - 1156 T + p^{5} T^{2} \)
23 \( 1 - 488 T + p^{5} T^{2} \)
29 \( 1 + 5466 T + p^{5} T^{2} \)
31 \( 1 + 9560 T + p^{5} T^{2} \)
37 \( 1 + 10506 T + p^{5} T^{2} \)
41 \( 1 + 5190 T + p^{5} T^{2} \)
43 \( 1 - 17084 T + p^{5} T^{2} \)
47 \( 1 + 3168 T + p^{5} T^{2} \)
53 \( 1 + 24770 T + p^{5} T^{2} \)
59 \( 1 + 17380 T + p^{5} T^{2} \)
61 \( 1 - 4366 T + p^{5} T^{2} \)
67 \( 1 - 5284 T + p^{5} T^{2} \)
71 \( 1 + 8360 T + p^{5} T^{2} \)
73 \( 1 - 39466 T + p^{5} T^{2} \)
79 \( 1 + 42376 T + p^{5} T^{2} \)
83 \( 1 - 61828 T + p^{5} T^{2} \)
89 \( 1 + 63078 T + p^{5} T^{2} \)
97 \( 1 + 16318 T + p^{5} T^{2} \)
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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

−14.35092015175620567284805616259, −13.52631646608503332600722845001, −12.80163274166109632870158501431, −10.86505584726635450992232092569, −9.490019757982799925365178518986, −9.037760775378435410744068235563, −6.80981983447741917484942380503, −5.79297536113843096342983653929, −3.46839690829566703242110113859, −1.69860145812755597226835475246, 1.69860145812755597226835475246, 3.46839690829566703242110113859, 5.79297536113843096342983653929, 6.80981983447741917484942380503, 9.037760775378435410744068235563, 9.490019757982799925365178518986, 10.86505584726635450992232092569, 12.80163274166109632870158501431, 13.52631646608503332600722845001, 14.35092015175620567284805616259

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