Properties

Label 2-48-1.1-c5-0-1
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 − 34·5-s + 240·7-s + 81·9-s + 124·11-s + 46·13-s − 306·15-s + 1.95e3·17-s + 1.92e3·19-s + 2.16e3·21-s − 2.84e3·23-s − 1.96e3·25-s + 729·27-s − 8.92e3·29-s + 4.64e3·31-s + 1.11e3·33-s − 8.16e3·35-s − 4.36e3·37-s + 414·39-s − 2.88e3·41-s − 1.13e4·43-s − 2.75e3·45-s − 7.00e3·47-s + 4.07e4·49-s + 1.75e4·51-s − 2.25e4·53-s − 4.21e3·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.608·5-s + 1.85·7-s + 1/3·9-s + 0.308·11-s + 0.0754·13-s − 0.351·15-s + 1.63·17-s + 1.22·19-s + 1.06·21-s − 1.11·23-s − 0.630·25-s + 0.192·27-s − 1.97·29-s + 0.868·31-s + 0.178·33-s − 1.12·35-s − 0.523·37-s + 0.0435·39-s − 0.268·41-s − 0.934·43-s − 0.202·45-s − 0.462·47-s + 2.42·49-s + 0.946·51-s − 1.10·53-s − 0.187·55-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

\(L(3)\) \(\approx\) \(2.175959555\)
\(L(\frac12)\) \(\approx\) \(2.175959555\)
\(L(\frac{7}{2})\) 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 \( 1 + 34 T + p^{5} T^{2} \)
7 \( 1 - 240 T + p^{5} T^{2} \)
11 \( 1 - 124 T + p^{5} T^{2} \)
13 \( 1 - 46 T + p^{5} T^{2} \)
17 \( 1 - 1954 T + p^{5} T^{2} \)
19 \( 1 - 1924 T + p^{5} T^{2} \)
23 \( 1 + 2840 T + p^{5} T^{2} \)
29 \( 1 + 8922 T + p^{5} T^{2} \)
31 \( 1 - 4648 T + p^{5} T^{2} \)
37 \( 1 + 4362 T + p^{5} T^{2} \)
41 \( 1 + 2886 T + p^{5} T^{2} \)
43 \( 1 + 11332 T + p^{5} T^{2} \)
47 \( 1 + 7008 T + p^{5} T^{2} \)
53 \( 1 + 22594 T + p^{5} T^{2} \)
59 \( 1 - 28 T + p^{5} T^{2} \)
61 \( 1 + 6386 T + p^{5} T^{2} \)
67 \( 1 - 39076 T + p^{5} T^{2} \)
71 \( 1 - 54872 T + p^{5} T^{2} \)
73 \( 1 - 21034 T + p^{5} T^{2} \)
79 \( 1 + 26632 T + p^{5} T^{2} \)
83 \( 1 + 56188 T + p^{5} T^{2} \)
89 \( 1 - 64410 T + p^{5} T^{2} \)
97 \( 1 + 116158 T + p^{5} T^{2} \)
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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

−14.54495310215829336628658788607, −13.88705498674373056078845297455, −12.08185302442985684692166905811, −11.33692561187651952841388712118, −9.771206923182866300125080985498, −8.161330354653796969601598291662, −7.62699908196095682602092147308, −5.29044580880952122063261454826, −3.74871286776989221420370893437, −1.55073600233821575421852492416, 1.55073600233821575421852492416, 3.74871286776989221420370893437, 5.29044580880952122063261454826, 7.62699908196095682602092147308, 8.161330354653796969601598291662, 9.771206923182866300125080985498, 11.33692561187651952841388712118, 12.08185302442985684692166905811, 13.88705498674373056078845297455, 14.54495310215829336628658788607

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