Properties

Label 2-320-20.19-c2-0-11
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 yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4.47·3-s − 5·5-s + 13.4·7-s + 11.0·9-s − 22.3·15-s + 60.0·21-s + 13.4·23-s + 25·25-s + 8.94·27-s + 22·29-s − 67.0·35-s − 62·41-s + 40.2·43-s − 55.0·45-s − 93.9·47-s + 131.·49-s − 58·61-s + 147.·63-s − 67.0·67-s + 60.0·69-s + 111.·75-s − 58.9·81-s + 147.·83-s + 98.3·87-s − 142·89-s − 122·101-s − 201.·103-s + ⋯
L(s)  = 1  + 1.49·3-s − 5-s + 1.91·7-s + 1.22·9-s − 1.49·15-s + 2.85·21-s + 0.583·23-s + 25-s + 0.331·27-s + 0.758·29-s − 1.91·35-s − 1.51·41-s + 0.936·43-s − 1.22·45-s − 1.99·47-s + 2.67·49-s − 0.950·61-s + 2.34·63-s − 1.00·67-s + 0.869·69-s + 1.49·75-s − 0.728·81-s + 1.77·83-s + 1.13·87-s − 1.59·89-s − 1.20·101-s − 1.95·103-s + ⋯

Functional equation

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

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: $\chi_{320} (319, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 320,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.735925465\)
\(L(\frac12)\) \(\approx\) \(2.735925465\)
\(L(2)\) 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 \( 1 + 5T \)
good3 \( 1 - 4.47T + 9T^{2} \)
7 \( 1 - 13.4T + 49T^{2} \)
11 \( 1 - 121T^{2} \)
13 \( 1 - 169T^{2} \)
17 \( 1 - 289T^{2} \)
19 \( 1 - 361T^{2} \)
23 \( 1 - 13.4T + 529T^{2} \)
29 \( 1 - 22T + 841T^{2} \)
31 \( 1 - 961T^{2} \)
37 \( 1 - 1.36e3T^{2} \)
41 \( 1 + 62T + 1.68e3T^{2} \)
43 \( 1 - 40.2T + 1.84e3T^{2} \)
47 \( 1 + 93.9T + 2.20e3T^{2} \)
53 \( 1 - 2.80e3T^{2} \)
59 \( 1 - 3.48e3T^{2} \)
61 \( 1 + 58T + 3.72e3T^{2} \)
67 \( 1 + 67.0T + 4.48e3T^{2} \)
71 \( 1 - 5.04e3T^{2} \)
73 \( 1 - 5.32e3T^{2} \)
79 \( 1 - 6.24e3T^{2} \)
83 \( 1 - 147.T + 6.88e3T^{2} \)
89 \( 1 + 142T + 7.92e3T^{2} \)
97 \( 1 - 9.40e3T^{2} \)
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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

−11.42028100071570442448550288373, −10.58396912500989155239501107742, −9.192599903436878639929325733107, −8.272494182758512211882887558773, −8.024531733774726137243229682118, −7.04409871767600335271536095341, −5.02171727748599603414367998988, −4.15755819641156367939744542741, −2.94469763204670039766568168655, −1.55343992460716092921524765545, 1.55343992460716092921524765545, 2.94469763204670039766568168655, 4.15755819641156367939744542741, 5.02171727748599603414367998988, 7.04409871767600335271536095341, 8.024531733774726137243229682118, 8.272494182758512211882887558773, 9.192599903436878639929325733107, 10.58396912500989155239501107742, 11.42028100071570442448550288373

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