Properties

Label 2-805-1.1-c1-0-14
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.381·2-s + 2.23·3-s − 1.85·4-s − 5-s + 0.854·6-s − 7-s − 1.47·8-s + 2.00·9-s − 0.381·10-s + 6·11-s − 4.14·12-s + 3·13-s − 0.381·14-s − 2.23·15-s + 3.14·16-s − 1.23·17-s + 0.763·18-s + 8.47·19-s + 1.85·20-s − 2.23·21-s + 2.29·22-s + 23-s − 3.29·24-s + 25-s + 1.14·26-s − 2.23·27-s + 1.85·28-s + ⋯
L(s)  = 1  + 0.270·2-s + 1.29·3-s − 0.927·4-s − 0.447·5-s + 0.348·6-s − 0.377·7-s − 0.520·8-s + 0.666·9-s − 0.120·10-s + 1.80·11-s − 1.19·12-s + 0.832·13-s − 0.102·14-s − 0.577·15-s + 0.786·16-s − 0.299·17-s + 0.180·18-s + 1.94·19-s + 0.414·20-s − 0.487·21-s + 0.488·22-s + 0.208·23-s − 0.671·24-s + 0.200·25-s + 0.224·26-s − 0.430·27-s + 0.350·28-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: \(0\)
Selberg data: \((2,\ 805,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.190122870\)
\(L(\frac12)\) \(\approx\) \(2.190122870\)
\(L(\frac{3}{2})\) 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 \( 1 - 0.381T + 2T^{2} \)
3 \( 1 - 2.23T + 3T^{2} \)
11 \( 1 - 6T + 11T^{2} \)
13 \( 1 - 3T + 13T^{2} \)
17 \( 1 + 1.23T + 17T^{2} \)
19 \( 1 - 8.47T + 19T^{2} \)
29 \( 1 - 7.47T + 29T^{2} \)
31 \( 1 + 5.47T + 31T^{2} \)
37 \( 1 + 7.23T + 37T^{2} \)
41 \( 1 - 6.70T + 41T^{2} \)
43 \( 1 - 3.70T + 43T^{2} \)
47 \( 1 + 4.23T + 47T^{2} \)
53 \( 1 + 8.76T + 53T^{2} \)
59 \( 1 + 6.47T + 59T^{2} \)
61 \( 1 + 1.70T + 61T^{2} \)
67 \( 1 - 3.23T + 67T^{2} \)
71 \( 1 + 4.23T + 71T^{2} \)
73 \( 1 - 9T + 73T^{2} \)
79 \( 1 + 13.4T + 79T^{2} \)
83 \( 1 - 3.70T + 83T^{2} \)
89 \( 1 + 9.23T + 89T^{2} \)
97 \( 1 + 0.291T + 97T^{2} \)
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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

−9.811526707276010454910905576922, −9.185084765820485801202048715220, −8.790710241898100608148865149624, −7.912625264747817870861241762855, −6.91566101192373489755903822396, −5.82666458287829346172264643035, −4.51618064071827333276257497265, −3.61197277555420765132320641155, −3.17925766455958072218857924608, −1.24917249472925795318970977392, 1.24917249472925795318970977392, 3.17925766455958072218857924608, 3.61197277555420765132320641155, 4.51618064071827333276257497265, 5.82666458287829346172264643035, 6.91566101192373489755903822396, 7.912625264747817870861241762855, 8.790710241898100608148865149624, 9.185084765820485801202048715220, 9.811526707276010454910905576922

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