Properties

Label 2-40-1.1-c5-0-3
Degree $2$
Conductor $40$
Sign $-1$
Analytic cond. $6.41535$
Root an. cond. $2.53285$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

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

\[\begin{aligned}\Lambda(s)=\mathstrut & 40 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 40 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(40\)    =    \(2^{3} \cdot 5\)
Sign: $-1$
Analytic conductor: \(6.41535\)
Root analytic conductor: \(2.53285\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 40,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) 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

−14.53738110892543743051825423519, −13.23166326811868272576800952240, −12.26879045567401433409312795652, −10.76332325791084296973762673574, −9.780920881341802131034682820490, −8.122625337998231190441619502398, −6.38196305497239609344087198339, −5.18842656529999822010839230874, −2.79244568066833258715837348552, 0, 2.79244568066833258715837348552, 5.18842656529999822010839230874, 6.38196305497239609344087198339, 8.122625337998231190441619502398, 9.780920881341802131034682820490, 10.76332325791084296973762673574, 12.26879045567401433409312795652, 13.23166326811868272576800952240, 14.53738110892543743051825423519

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