Properties

Label 2-805-1.1-c1-0-39
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  + 1.79·2-s − 1.59·3-s + 1.23·4-s + 5-s − 2.85·6-s − 7-s − 1.37·8-s − 0.471·9-s + 1.79·10-s − 2.88·11-s − 1.96·12-s − 4.52·13-s − 1.79·14-s − 1.59·15-s − 4.94·16-s + 6.65·17-s − 0.846·18-s − 7.03·19-s + 1.23·20-s + 1.59·21-s − 5.18·22-s + 23-s + 2.19·24-s + 25-s − 8.13·26-s + 5.51·27-s − 1.23·28-s + ⋯
L(s)  = 1  + 1.27·2-s − 0.918·3-s + 0.616·4-s + 0.447·5-s − 1.16·6-s − 0.377·7-s − 0.487·8-s − 0.157·9-s + 0.568·10-s − 0.869·11-s − 0.565·12-s − 1.25·13-s − 0.480·14-s − 0.410·15-s − 1.23·16-s + 1.61·17-s − 0.199·18-s − 1.61·19-s + 0.275·20-s + 0.347·21-s − 1.10·22-s + 0.208·23-s + 0.447·24-s + 0.200·25-s − 1.59·26-s + 1.06·27-s − 0.232·28-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 \( 1 - 1.79T + 2T^{2} \)
3 \( 1 + 1.59T + 3T^{2} \)
11 \( 1 + 2.88T + 11T^{2} \)
13 \( 1 + 4.52T + 13T^{2} \)
17 \( 1 - 6.65T + 17T^{2} \)
19 \( 1 + 7.03T + 19T^{2} \)
29 \( 1 + 2.89T + 29T^{2} \)
31 \( 1 + 2.47T + 31T^{2} \)
37 \( 1 + 4.31T + 37T^{2} \)
41 \( 1 - 11.4T + 41T^{2} \)
43 \( 1 + 11.7T + 43T^{2} \)
47 \( 1 + 2.06T + 47T^{2} \)
53 \( 1 + 6.93T + 53T^{2} \)
59 \( 1 - 1.85T + 59T^{2} \)
61 \( 1 - 3.35T + 61T^{2} \)
67 \( 1 + 9.73T + 67T^{2} \)
71 \( 1 - 7.48T + 71T^{2} \)
73 \( 1 + 7.27T + 73T^{2} \)
79 \( 1 - 15.5T + 79T^{2} \)
83 \( 1 - 8.21T + 83T^{2} \)
89 \( 1 - 1.95T + 89T^{2} \)
97 \( 1 - 2.70T + 97T^{2} \)
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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

−10.09340671243310332923834835730, −9.151991987206591858483893806890, −7.924609339178187333020361641140, −6.78069623486464893408321526590, −5.97134779973014552341292888861, −5.32489887550902019330935770669, −4.72779043398416393452916477108, −3.38966648073203536545892145773, −2.38236081334714665157578085838, 0, 2.38236081334714665157578085838, 3.38966648073203536545892145773, 4.72779043398416393452916477108, 5.32489887550902019330935770669, 5.97134779973014552341292888861, 6.78069623486464893408321526590, 7.924609339178187333020361641140, 9.151991987206591858483893806890, 10.09340671243310332923834835730

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