Properties

Label 2-48-1.1-c21-0-16
Degree $2$
Conductor $48$
Sign $-1$
Analytic cond. $134.149$
Root an. cond. $11.5822$
Motivic weight $21$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.90e4·3-s + 3.10e6·5-s − 3.63e8·7-s + 3.48e9·9-s − 1.45e10·11-s + 1.13e11·13-s + 1.83e11·15-s − 8.58e12·17-s + 2.92e13·19-s − 2.14e13·21-s + 1.55e14·23-s − 4.67e14·25-s + 2.05e14·27-s + 2.40e15·29-s − 2.23e15·31-s − 8.61e14·33-s − 1.12e15·35-s − 3.07e16·37-s + 6.69e15·39-s − 1.03e17·41-s + 1.65e17·43-s + 1.08e16·45-s + 6.65e16·47-s − 4.26e17·49-s − 5.07e17·51-s + 4.35e17·53-s − 4.53e16·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.142·5-s − 0.486·7-s + 1/3·9-s − 0.169·11-s + 0.228·13-s + 0.0822·15-s − 1.03·17-s + 1.09·19-s − 0.280·21-s + 0.784·23-s − 0.979·25-s + 0.192·27-s + 1.05·29-s − 0.490·31-s − 0.0978·33-s − 0.0692·35-s − 1.05·37-s + 0.131·39-s − 1.20·41-s + 1.16·43-s + 0.0474·45-s + 0.184·47-s − 0.763·49-s − 0.596·51-s + 0.341·53-s − 0.0241·55-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(48\)    =    \(2^{4} \cdot 3\)
Sign: $-1$
Analytic conductor: \(134.149\)
Root analytic conductor: \(11.5822\)
Motivic weight: \(21\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 48,\ (\ :21/2),\ -1)\)

Particular Values

\(L(11)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{23}{2})\) 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 \( 1 - p^{10} T \)
good5 \( 1 - 124398 p^{2} T + p^{21} T^{2} \)
7 \( 1 + 51900560 p T + p^{21} T^{2} \)
11 \( 1 + 1325621196 p T + p^{21} T^{2} \)
13 \( 1 - 113350790702 T + p^{21} T^{2} \)
17 \( 1 + 505258211646 p T + p^{21} T^{2} \)
19 \( 1 - 1536996803884 p T + p^{21} T^{2} \)
23 \( 1 - 155899214954280 T + p^{21} T^{2} \)
29 \( 1 - 2400788707090758 T + p^{21} T^{2} \)
31 \( 1 + 2239820676947000 T + p^{21} T^{2} \)
37 \( 1 + 30785069383298890 T + p^{21} T^{2} \)
41 \( 1 + 103207571041281030 T + p^{21} T^{2} \)
43 \( 1 - 165557270617488124 T + p^{21} T^{2} \)
47 \( 1 - 66587216226477408 T + p^{21} T^{2} \)
53 \( 1 - 435422766592881630 T + p^{21} T^{2} \)
59 \( 1 + 5534365798259081316 T + p^{21} T^{2} \)
61 \( 1 + 7176205164722961202 T + p^{21} T^{2} \)
67 \( 1 - 15755449453068299812 T + p^{21} T^{2} \)
71 \( 1 + 26457854874259376232 T + p^{21} T^{2} \)
73 \( 1 - 13471249335464801450 T + p^{21} T^{2} \)
79 \( 1 - 16886125085525986840 T + p^{21} T^{2} \)
83 \( 1 - \)\(17\!\cdots\!72\)\( T + p^{21} T^{2} \)
89 \( 1 + \)\(31\!\cdots\!86\)\( T + p^{21} T^{2} \)
97 \( 1 - \)\(94\!\cdots\!18\)\( T + p^{21} T^{2} \)
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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

−10.80480510966912493902426492851, −9.642977187219498813793928704757, −8.743433005730774181418152985782, −7.48665338453898285975471538348, −6.38355298453282589869415340167, −4.99294708078339142550374016889, −3.64770574382722130777440088937, −2.64015138473391727632372501585, −1.40149024768447915211220761114, 0, 1.40149024768447915211220761114, 2.64015138473391727632372501585, 3.64770574382722130777440088937, 4.99294708078339142550374016889, 6.38355298453282589869415340167, 7.48665338453898285975471538348, 8.743433005730774181418152985782, 9.642977187219498813793928704757, 10.80480510966912493902426492851

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