Properties

Label 2-320-4.3-c2-0-15
Degree $2$
Conductor $320$
Sign $-1$
Analytic cond. $8.71936$
Root an. cond. $2.95285$
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  − 5.60i·3-s + 2.23·5-s − 1.32i·7-s − 22.4·9-s − 11.2i·11-s − 17.4·13-s − 12.5i·15-s + 18·17-s − 5.29i·19-s − 7.41·21-s + 15.1i·23-s + 5.00·25-s + 75.1i·27-s − 8.83·29-s − 42.1i·31-s + ⋯
L(s)  = 1  − 1.86i·3-s + 0.447·5-s − 0.189i·7-s − 2.49·9-s − 1.01i·11-s − 1.33·13-s − 0.835i·15-s + 1.05·17-s − 0.278i·19-s − 0.353·21-s + 0.659i·23-s + 0.200·25-s + 2.78i·27-s − 0.304·29-s − 1.36i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(320\)    =    \(2^{6} \cdot 5\)
Sign: $-1$
Analytic conductor: \(8.71936\)
Root analytic conductor: \(2.95285\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{320} (191, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 320,\ (\ :1),\ -1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.25102i\)
\(L(\frac12)\) \(\approx\) \(1.25102i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - 2.23T \)
good3 \( 1 + 5.60iT - 9T^{2} \)
7 \( 1 + 1.32iT - 49T^{2} \)
11 \( 1 + 11.2iT - 121T^{2} \)
13 \( 1 + 17.4T + 169T^{2} \)
17 \( 1 - 18T + 289T^{2} \)
19 \( 1 + 5.29iT - 361T^{2} \)
23 \( 1 - 15.1iT - 529T^{2} \)
29 \( 1 + 8.83T + 841T^{2} \)
31 \( 1 + 42.1iT - 961T^{2} \)
37 \( 1 + 33.4T + 1.36e3T^{2} \)
41 \( 1 + 28.2T + 1.68e3T^{2} \)
43 \( 1 - 25.3iT - 1.84e3T^{2} \)
47 \( 1 - 10.5iT - 2.20e3T^{2} \)
53 \( 1 - 28.2T + 2.80e3T^{2} \)
59 \( 1 + 44.8iT - 3.48e3T^{2} \)
61 \( 1 - 77.4T + 3.72e3T^{2} \)
67 \( 1 - 36.5iT - 4.48e3T^{2} \)
71 \( 1 + 97.6iT - 5.04e3T^{2} \)
73 \( 1 - 15.6T + 5.32e3T^{2} \)
79 \( 1 + 112. iT - 6.24e3T^{2} \)
83 \( 1 + 92.0iT - 6.88e3T^{2} \)
89 \( 1 + 59.6T + 7.92e3T^{2} \)
97 \( 1 - 108.T + 9.40e3T^{2} \)
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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

−11.31923778340501274339089432230, −9.993485680628178555822629147348, −8.831770886625032014024746607818, −7.79876040426896312231135348081, −7.20762674324186764795211622504, −6.12562135076906884646180380720, −5.34401460526845711408992377623, −3.14330157745783462108446927244, −1.96389670856562315505537350462, −0.57159260950025737000280026094, 2.50509635212001684715592164834, 3.78769037911237320577150383285, 4.94603581459413221620684553329, 5.45996319226312749054783557262, 7.03837170044908272976522040656, 8.453229500447373648226525639328, 9.382945366025510900990908997178, 10.11760486430763857008537271161, 10.44761989177309909731739779478, 11.83145227272525659125847593630

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