Properties

Label 2-960-20.19-c2-0-4
Degree $2$
Conductor $960$
Sign $-i$
Analytic cond. $26.1581$
Root an. cond. $5.11449$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.73·3-s − 5i·5-s − 10.3·7-s + 2.99·9-s + 10.3i·11-s − 18i·13-s + 8.66i·15-s − 10i·17-s − 13.8i·19-s + 18·21-s + 6.92·23-s − 25·25-s − 5.19·27-s − 36·29-s + 6.92i·31-s + ⋯
L(s)  = 1  − 0.577·3-s i·5-s − 1.48·7-s + 0.333·9-s + 0.944i·11-s − 1.38i·13-s + 0.577i·15-s − 0.588i·17-s − 0.729i·19-s + 0.857·21-s + 0.301·23-s − 25-s − 0.192·27-s − 1.24·29-s + 0.223i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 960 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 960 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(960\)    =    \(2^{6} \cdot 3 \cdot 5\)
Sign: $-i$
Analytic conductor: \(26.1581\)
Root analytic conductor: \(5.11449\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{960} (319, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 960,\ (\ :1),\ -i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.3372790340\)
\(L(\frac12)\) \(\approx\) \(0.3372790340\)
\(L(2)\) 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 \( 1 + 1.73T \)
5 \( 1 + 5iT \)
good7 \( 1 + 10.3T + 49T^{2} \)
11 \( 1 - 10.3iT - 121T^{2} \)
13 \( 1 + 18iT - 169T^{2} \)
17 \( 1 + 10iT - 289T^{2} \)
19 \( 1 + 13.8iT - 361T^{2} \)
23 \( 1 - 6.92T + 529T^{2} \)
29 \( 1 + 36T + 841T^{2} \)
31 \( 1 - 6.92iT - 961T^{2} \)
37 \( 1 - 54iT - 1.36e3T^{2} \)
41 \( 1 - 18T + 1.68e3T^{2} \)
43 \( 1 + 20.7T + 1.84e3T^{2} \)
47 \( 1 + 2.20e3T^{2} \)
53 \( 1 - 26iT - 2.80e3T^{2} \)
59 \( 1 - 31.1iT - 3.48e3T^{2} \)
61 \( 1 - 74T + 3.72e3T^{2} \)
67 \( 1 - 41.5T + 4.48e3T^{2} \)
71 \( 1 - 103. iT - 5.04e3T^{2} \)
73 \( 1 - 36iT - 5.32e3T^{2} \)
79 \( 1 - 90.0iT - 6.24e3T^{2} \)
83 \( 1 - 90.0T + 6.88e3T^{2} \)
89 \( 1 - 18T + 7.92e3T^{2} \)
97 \( 1 - 72iT - 9.40e3T^{2} \)
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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

−9.766107451733233691237810484595, −9.547099585895066536501879117065, −8.432184121924987137209672731281, −7.38262866526949849934702254611, −6.63036196107310203467228732836, −5.59014390618975757554875717084, −4.96666397511866811299819884950, −3.82634061070980053772342529961, −2.65792896148239648001035362452, −0.952697880073195944485700767324, 0.14230542934188463885537818562, 2.04674659355823915829253314929, 3.39854392845080213094766336230, 3.95112752236971144011578563588, 5.60467604366984907486545822971, 6.30055371753355314058630773945, 6.79254761920747454071435528452, 7.74159443176548448475384242428, 9.058305164708492763947082828343, 9.663853632848914128920388372197

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