Properties

Label 2-320-1.1-c5-0-5
Degree $2$
Conductor $320$
Sign $1$
Analytic cond. $51.3228$
Root an. cond. $7.16399$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8·3-s − 25·5-s + 108·7-s − 179·9-s − 604·11-s + 306·13-s + 200·15-s + 930·17-s − 1.32e3·19-s − 864·21-s + 852·23-s + 625·25-s + 3.37e3·27-s − 5.90e3·29-s + 3.32e3·31-s + 4.83e3·33-s − 2.70e3·35-s − 1.07e4·37-s − 2.44e3·39-s − 1.79e4·41-s + 9.26e3·43-s + 4.47e3·45-s + 9.79e3·47-s − 5.14e3·49-s − 7.44e3·51-s + 3.14e4·53-s + 1.51e4·55-s + ⋯
L(s)  = 1  − 0.513·3-s − 0.447·5-s + 0.833·7-s − 0.736·9-s − 1.50·11-s + 0.502·13-s + 0.229·15-s + 0.780·17-s − 0.841·19-s − 0.427·21-s + 0.335·23-s + 1/5·25-s + 0.891·27-s − 1.30·29-s + 0.620·31-s + 0.772·33-s − 0.372·35-s − 1.29·37-s − 0.257·39-s − 1.66·41-s + 0.764·43-s + 0.329·45-s + 0.646·47-s − 0.306·49-s − 0.400·51-s + 1.53·53-s + 0.673·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(320\)    =    \(2^{6} \cdot 5\)
Sign: $1$
Analytic conductor: \(51.3228\)
Root analytic conductor: \(7.16399\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 320,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.143504500\)
\(L(\frac12)\) \(\approx\) \(1.143504500\)
\(L(\frac{7}{2})\) 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 \( 1 + p^{2} T \)
good3 \( 1 + 8 T + p^{5} T^{2} \)
7 \( 1 - 108 T + p^{5} T^{2} \)
11 \( 1 + 604 T + p^{5} T^{2} \)
13 \( 1 - 306 T + p^{5} T^{2} \)
17 \( 1 - 930 T + p^{5} T^{2} \)
19 \( 1 + 1324 T + p^{5} T^{2} \)
23 \( 1 - 852 T + p^{5} T^{2} \)
29 \( 1 + 5902 T + p^{5} T^{2} \)
31 \( 1 - 3320 T + p^{5} T^{2} \)
37 \( 1 + 10774 T + p^{5} T^{2} \)
41 \( 1 + 438 p T + p^{5} T^{2} \)
43 \( 1 - 9264 T + p^{5} T^{2} \)
47 \( 1 - 9796 T + p^{5} T^{2} \)
53 \( 1 - 31434 T + p^{5} T^{2} \)
59 \( 1 - 33228 T + p^{5} T^{2} \)
61 \( 1 - 40210 T + p^{5} T^{2} \)
67 \( 1 - 58864 T + p^{5} T^{2} \)
71 \( 1 - 55312 T + p^{5} T^{2} \)
73 \( 1 - 27258 T + p^{5} T^{2} \)
79 \( 1 + 31456 T + p^{5} T^{2} \)
83 \( 1 - 24552 T + p^{5} T^{2} \)
89 \( 1 + 90854 T + p^{5} T^{2} \)
97 \( 1 - 154706 T + p^{5} T^{2} \)
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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

−10.92336809632237945193725394086, −10.17002696006687676990569085984, −8.584937695550454926785626273238, −8.109488680153108198603477658746, −6.98756631636950789107260774664, −5.59741496936772338199189128350, −5.05453634269586174379823616472, −3.61019555117716852860081027765, −2.24184703443525355014219295420, −0.59243725220376767621066828386, 0.59243725220376767621066828386, 2.24184703443525355014219295420, 3.61019555117716852860081027765, 5.05453634269586174379823616472, 5.59741496936772338199189128350, 6.98756631636950789107260774664, 8.109488680153108198603477658746, 8.584937695550454926785626273238, 10.17002696006687676990569085984, 10.92336809632237945193725394086

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