Properties

Label 2-1536-8.5-c1-0-6
Degree $2$
Conductor $1536$
Sign $-i$
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 + 1.41i·5-s − 1.41·7-s − 9-s + 2i·11-s + 1.41·15-s + 2·17-s − 4i·19-s + 1.41i·21-s − 2.82·23-s + 2.99·25-s + i·27-s + 9.89i·29-s − 7.07·31-s + 2·33-s + ⋯
L(s)  = 1  − 0.577i·3-s + 0.632i·5-s − 0.534·7-s − 0.333·9-s + 0.603i·11-s + 0.365·15-s + 0.485·17-s − 0.917i·19-s + 0.308i·21-s − 0.589·23-s + 0.599·25-s + 0.192i·27-s + 1.83i·29-s − 1.27·31-s + 0.348·33-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1536\)    =    \(2^{9} \cdot 3\)
Sign: $-i$
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: \((2,\ 1536,\ (\ :1/2),\ -i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.021514864\)
\(L(\frac12)\) \(\approx\) \(1.021514864\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.41iT - 5T^{2} \)
7 \( 1 + 1.41T + 7T^{2} \)
11 \( 1 - 2iT - 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 - 2T + 17T^{2} \)
19 \( 1 + 4iT - 19T^{2} \)
23 \( 1 + 2.82T + 23T^{2} \)
29 \( 1 - 9.89iT - 29T^{2} \)
31 \( 1 + 7.07T + 31T^{2} \)
37 \( 1 - 8.48iT - 37T^{2} \)
41 \( 1 + 6T + 41T^{2} \)
43 \( 1 - 8iT - 43T^{2} \)
47 \( 1 - 2.82T + 47T^{2} \)
53 \( 1 - 1.41iT - 53T^{2} \)
59 \( 1 - 12iT - 59T^{2} \)
61 \( 1 - 14.1iT - 61T^{2} \)
67 \( 1 + 8iT - 67T^{2} \)
71 \( 1 - 14.1T + 71T^{2} \)
73 \( 1 - 8T + 73T^{2} \)
79 \( 1 + 4.24T + 79T^{2} \)
83 \( 1 + 6iT - 83T^{2} \)
89 \( 1 + 2T + 89T^{2} \)
97 \( 1 + 14T + 97T^{2} \)
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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

−9.635373431652891511408726279400, −8.878023410003211907563164867934, −7.943255579253890407371257929761, −6.97630678620849124897716706218, −6.76241129180993567421761964775, −5.65554863927305572843090020217, −4.72164577123277532950718553295, −3.41813048048615366335659041423, −2.69829836843515740546085507043, −1.41319520582790997952087696415, 0.40478530864035719151949998930, 2.05628216994057905664106507850, 3.44815816137743851729648616350, 4.01186745391018928641963689062, 5.22487560292815613022424297973, 5.78573880930752368357860752782, 6.72864005944816266343006699796, 7.914478324494061593336695453263, 8.455091562835493959832636893074, 9.422792515214011195298800979943

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