Properties

Label 2-48-12.11-c21-0-31
Degree $2$
Conductor $48$
Sign $i$
Analytic cond. $134.149$
Root an. cond. $11.5822$
Motivic weight $21$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.02e5i·3-s − 9.85e8i·7-s − 1.04e10·9-s + 3.70e11·13-s + 3.99e13i·19-s + 1.00e14·21-s + 4.76e14·25-s − 1.06e15i·27-s + 1.25e15i·31-s − 5.77e16·37-s + 3.78e16i·39-s − 9.98e16i·43-s − 4.12e17·49-s − 4.08e18·57-s − 1.08e19·61-s + ⋯
L(s)  = 1  + 0.999i·3-s − 1.31i·7-s − 0.999·9-s + 0.744·13-s + 1.49i·19-s + 1.31·21-s + 0.999·25-s − 0.999i·27-s + 0.275i·31-s − 1.97·37-s + 0.744i·39-s − 0.704i·43-s − 0.738·49-s − 1.49·57-s − 1.94·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 48 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $i$
Analytic conductor: \(134.149\)
Root analytic conductor: \(11.5822\)
Motivic weight: \(21\)
Rational: no
Arithmetic: yes
Character: $\chi_{48} (47, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 48,\ (\ :21/2),\ i)\)

Particular Values

\(L(11)\) \(\approx\) \(0.9790499059\)
\(L(\frac12)\) \(\approx\) \(0.9790499059\)
\(L(\frac{23}{2})\) 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 \( 1 - 1.02e5iT \)
good5 \( 1 - 4.76e14T^{2} \)
7 \( 1 + 9.85e8iT - 5.58e17T^{2} \)
11 \( 1 + 7.40e21T^{2} \)
13 \( 1 - 3.70e11T + 2.47e23T^{2} \)
17 \( 1 - 6.90e25T^{2} \)
19 \( 1 - 3.99e13iT - 7.14e26T^{2} \)
23 \( 1 + 3.94e28T^{2} \)
29 \( 1 - 5.13e30T^{2} \)
31 \( 1 - 1.25e15iT - 2.08e31T^{2} \)
37 \( 1 + 5.77e16T + 8.55e32T^{2} \)
41 \( 1 - 7.38e33T^{2} \)
43 \( 1 + 9.98e16iT - 2.00e34T^{2} \)
47 \( 1 + 1.30e35T^{2} \)
53 \( 1 - 1.62e36T^{2} \)
59 \( 1 + 1.54e37T^{2} \)
61 \( 1 + 1.08e19T + 3.10e37T^{2} \)
67 \( 1 + 2.90e19iT - 2.22e38T^{2} \)
71 \( 1 + 7.52e38T^{2} \)
73 \( 1 - 3.90e19T + 1.34e39T^{2} \)
79 \( 1 + 9.04e18iT - 7.08e39T^{2} \)
83 \( 1 + 1.99e40T^{2} \)
89 \( 1 - 8.65e40T^{2} \)
97 \( 1 - 1.13e21T + 5.27e41T^{2} \)
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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

−10.74326162380519472862600068202, −10.36092032577083484051093571382, −9.030753485176503830026704288289, −7.88150414966449203786005979805, −6.49365336685860091768027342210, −5.16901766777271236725650525687, −3.99938046599355793178196937154, −3.31234709276687591973273586388, −1.49525711875435765668768206704, −0.21015745495030663549511318643, 1.06811041151747869741233765044, 2.22340802475867660586197528011, 3.12367754584581262628475323013, 5.03618659842459905519228988672, 6.07891838364911171000807752338, 7.06504328494644327583825280695, 8.465355261345552044831571214477, 9.088785234460964223215790014589, 10.93619281492319716921710891732, 11.89202840074370666272382857989

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