Properties

Label 2-1536-8.5-c1-0-1
Degree $2$
Conductor $1536$
Sign $-1$
Analytic cond. $12.2650$
Root an. cond. $3.50214$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + i·3-s − 0.585i·5-s − 1.41·7-s − 9-s − 0.828i·11-s + 4.82i·13-s + 0.585·15-s − 0.828·17-s − 2.82i·19-s − 1.41i·21-s − 6.82·23-s + 4.65·25-s i·27-s + 4.58i·29-s − 7.07·31-s + ⋯
L(s)  = 1  + 0.577i·3-s − 0.261i·5-s − 0.534·7-s − 0.333·9-s − 0.249i·11-s + 1.33i·13-s + 0.151·15-s − 0.200·17-s − 0.648i·19-s − 0.308i·21-s − 1.42·23-s + 0.931·25-s − 0.192i·27-s + 0.851i·29-s − 1.27·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1536 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1536 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1536\)    =    \(2^{9} \cdot 3\)
Sign: $-1$
Analytic conductor: \(12.2650\)
Root analytic conductor: \(3.50214\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1536} (769, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1536,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3569014584\)
\(L(\frac12)\) \(\approx\) \(0.3569014584\)
\(L(\frac{3}{2})\) 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 \( 1 - iT \)
good5 \( 1 + 0.585iT - 5T^{2} \)
7 \( 1 + 1.41T + 7T^{2} \)
11 \( 1 + 0.828iT - 11T^{2} \)
13 \( 1 - 4.82iT - 13T^{2} \)
17 \( 1 + 0.828T + 17T^{2} \)
19 \( 1 + 2.82iT - 19T^{2} \)
23 \( 1 + 6.82T + 23T^{2} \)
29 \( 1 - 4.58iT - 29T^{2} \)
31 \( 1 + 7.07T + 31T^{2} \)
37 \( 1 + 0.343iT - 37T^{2} \)
41 \( 1 + 6.48T + 41T^{2} \)
43 \( 1 + 1.17iT - 43T^{2} \)
47 \( 1 + 4.48T + 47T^{2} \)
53 \( 1 + 10.2iT - 53T^{2} \)
59 \( 1 - 9.65iT - 59T^{2} \)
61 \( 1 - 11.6iT - 61T^{2} \)
67 \( 1 - 5.65iT - 67T^{2} \)
71 \( 1 + 8.48T + 71T^{2} \)
73 \( 1 + 11.3T + 73T^{2} \)
79 \( 1 + 14.5T + 79T^{2} \)
83 \( 1 + 3.17iT - 83T^{2} \)
89 \( 1 - 17.3T + 89T^{2} \)
97 \( 1 - 3.65T + 97T^{2} \)
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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

−9.850419075281036045823010189883, −8.904865624385388404467974117115, −8.689232649563766310007177116609, −7.32996830203883565412282282439, −6.63082812985153838365314373840, −5.72889804071367522450887319899, −4.76819249081194432091444584039, −3.99760333820536496709684865622, −3.04379289422542601740046747468, −1.75381991205540140365448913973, 0.13184807619422130423007832543, 1.73903000302059566187873504149, 2.89973967448880990277102745805, 3.72251586255089631938478399289, 5.01412578952117796449248243849, 5.96991430587407052055022812463, 6.53261808786800638563227371289, 7.59164480557348329724746401077, 8.036754152603138823633037216992, 9.021520334584658519029126752337

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