Properties

Label 2-805-1.1-c1-0-38
Degree $2$
Conductor $805$
Sign $-1$
Analytic cond. $6.42795$
Root an. cond. $2.53534$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.06·2-s + 0.382·3-s − 0.866·4-s − 5-s + 0.406·6-s + 7-s − 3.05·8-s − 2.85·9-s − 1.06·10-s + 0.351·11-s − 0.331·12-s − 1.26·13-s + 1.06·14-s − 0.382·15-s − 1.51·16-s − 4.54·17-s − 3.03·18-s − 3.54·19-s + 0.866·20-s + 0.382·21-s + 0.373·22-s + 23-s − 1.16·24-s + 25-s − 1.34·26-s − 2.23·27-s − 0.866·28-s + ⋯
L(s)  = 1  + 0.752·2-s + 0.220·3-s − 0.433·4-s − 0.447·5-s + 0.166·6-s + 0.377·7-s − 1.07·8-s − 0.951·9-s − 0.336·10-s + 0.105·11-s − 0.0956·12-s − 0.349·13-s + 0.284·14-s − 0.0987·15-s − 0.378·16-s − 1.10·17-s − 0.716·18-s − 0.814·19-s + 0.193·20-s + 0.0834·21-s + 0.0796·22-s + 0.208·23-s − 0.238·24-s + 0.200·25-s − 0.263·26-s − 0.430·27-s − 0.163·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 805 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(805\)    =    \(5 \cdot 7 \cdot 23\)
Sign: $-1$
Analytic conductor: \(6.42795\)
Root analytic conductor: \(2.53534\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 805,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + T \)
7 \( 1 - T \)
23 \( 1 - T \)
good2 \( 1 - 1.06T + 2T^{2} \)
3 \( 1 - 0.382T + 3T^{2} \)
11 \( 1 - 0.351T + 11T^{2} \)
13 \( 1 + 1.26T + 13T^{2} \)
17 \( 1 + 4.54T + 17T^{2} \)
19 \( 1 + 3.54T + 19T^{2} \)
29 \( 1 + 7.79T + 29T^{2} \)
31 \( 1 - 1.85T + 31T^{2} \)
37 \( 1 + 7.24T + 37T^{2} \)
41 \( 1 - 1.37T + 41T^{2} \)
43 \( 1 - 2.84T + 43T^{2} \)
47 \( 1 + 0.960T + 47T^{2} \)
53 \( 1 + 5.48T + 53T^{2} \)
59 \( 1 - 3.30T + 59T^{2} \)
61 \( 1 - 4.14T + 61T^{2} \)
67 \( 1 - 8.46T + 67T^{2} \)
71 \( 1 - 3.58T + 71T^{2} \)
73 \( 1 + 2.45T + 73T^{2} \)
79 \( 1 + 3.96T + 79T^{2} \)
83 \( 1 + 11.5T + 83T^{2} \)
89 \( 1 + 3.82T + 89T^{2} \)
97 \( 1 + 15.6T + 97T^{2} \)
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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

−9.700449662036108251762570648166, −8.779220349356540780384292146495, −8.380280468122673201229219788780, −7.18493279170304499904739691141, −6.11337437403506205751982593246, −5.21157190056511651185282685384, −4.35500195121840774328663228492, −3.47880574629524555003728781967, −2.31584744518121774584039600656, 0, 2.31584744518121774584039600656, 3.47880574629524555003728781967, 4.35500195121840774328663228492, 5.21157190056511651185282685384, 6.11337437403506205751982593246, 7.18493279170304499904739691141, 8.380280468122673201229219788780, 8.779220349356540780384292146495, 9.700449662036108251762570648166

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