Properties

Label 2-805-1.1-c1-0-12
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  − 1.36·2-s + 2.51·3-s − 0.144·4-s + 5-s − 3.42·6-s − 7-s + 2.92·8-s + 3.32·9-s − 1.36·10-s − 0.362·11-s − 0.362·12-s + 1.06·13-s + 1.36·14-s + 2.51·15-s − 3.69·16-s + 1.33·17-s − 4.53·18-s + 6.02·19-s − 0.144·20-s − 2.51·21-s + 0.493·22-s − 23-s + 7.34·24-s + 25-s − 1.45·26-s + 0.827·27-s + 0.144·28-s + ⋯
L(s)  = 1  − 0.963·2-s + 1.45·3-s − 0.0720·4-s + 0.447·5-s − 1.39·6-s − 0.377·7-s + 1.03·8-s + 1.10·9-s − 0.430·10-s − 0.109·11-s − 0.104·12-s + 0.295·13-s + 0.364·14-s + 0.649·15-s − 0.922·16-s + 0.322·17-s − 1.06·18-s + 1.38·19-s − 0.0322·20-s − 0.548·21-s + 0.105·22-s − 0.208·23-s + 1.49·24-s + 0.200·25-s − 0.284·26-s + 0.159·27-s + 0.0272·28-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

\(L(1)\) \(\approx\) \(1.536627521\)
\(L(\frac12)\) \(\approx\) \(1.536627521\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.36T + 2T^{2} \)
3 \( 1 - 2.51T + 3T^{2} \)
11 \( 1 + 0.362T + 11T^{2} \)
13 \( 1 - 1.06T + 13T^{2} \)
17 \( 1 - 1.33T + 17T^{2} \)
19 \( 1 - 6.02T + 19T^{2} \)
29 \( 1 - 4.12T + 29T^{2} \)
31 \( 1 - 2.39T + 31T^{2} \)
37 \( 1 - 4.95T + 37T^{2} \)
41 \( 1 + 1.25T + 41T^{2} \)
43 \( 1 - 5.32T + 43T^{2} \)
47 \( 1 - 4.61T + 47T^{2} \)
53 \( 1 + 1.14T + 53T^{2} \)
59 \( 1 - 0.321T + 59T^{2} \)
61 \( 1 + 9.71T + 61T^{2} \)
67 \( 1 + 9.69T + 67T^{2} \)
71 \( 1 + 0.0407T + 71T^{2} \)
73 \( 1 + 9.48T + 73T^{2} \)
79 \( 1 + 6.10T + 79T^{2} \)
83 \( 1 - 15.9T + 83T^{2} \)
89 \( 1 - 12.6T + 89T^{2} \)
97 \( 1 - 6.43T + 97T^{2} \)
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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

−9.917294133905672997931922421317, −9.267898537677611200769634604607, −8.775226712891470385258850099478, −7.85201817840030009286202279314, −7.36848249767167492777482740562, −6.03149325086905681086601953738, −4.70276803416894725065914555169, −3.52433296825927658189611310966, −2.53664469654007844435616302420, −1.21479807867403118552187471631, 1.21479807867403118552187471631, 2.53664469654007844435616302420, 3.52433296825927658189611310966, 4.70276803416894725065914555169, 6.03149325086905681086601953738, 7.36848249767167492777482740562, 7.85201817840030009286202279314, 8.775226712891470385258850099478, 9.267898537677611200769634604607, 9.917294133905672997931922421317

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