Properties

Label 2-805-1.1-c1-0-32
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  − 1.45·2-s + 2.09·3-s + 0.110·4-s − 5-s − 3.04·6-s + 7-s + 2.74·8-s + 1.40·9-s + 1.45·10-s − 3.31·11-s + 0.231·12-s − 5.28·13-s − 1.45·14-s − 2.09·15-s − 4.20·16-s − 6.61·17-s − 2.03·18-s + 1.66·19-s − 0.110·20-s + 2.09·21-s + 4.82·22-s + 23-s + 5.75·24-s + 25-s + 7.67·26-s − 3.35·27-s + 0.110·28-s + ⋯
L(s)  = 1  − 1.02·2-s + 1.21·3-s + 0.0552·4-s − 0.447·5-s − 1.24·6-s + 0.377·7-s + 0.970·8-s + 0.467·9-s + 0.459·10-s − 1.00·11-s + 0.0669·12-s − 1.46·13-s − 0.388·14-s − 0.541·15-s − 1.05·16-s − 1.60·17-s − 0.480·18-s + 0.381·19-s − 0.0247·20-s + 0.457·21-s + 1.02·22-s + 0.208·23-s + 1.17·24-s + 0.200·25-s + 1.50·26-s − 0.644·27-s + 0.0208·28-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 \( 1 + 1.45T + 2T^{2} \)
3 \( 1 - 2.09T + 3T^{2} \)
11 \( 1 + 3.31T + 11T^{2} \)
13 \( 1 + 5.28T + 13T^{2} \)
17 \( 1 + 6.61T + 17T^{2} \)
19 \( 1 - 1.66T + 19T^{2} \)
29 \( 1 - 4.74T + 29T^{2} \)
31 \( 1 + 2.40T + 31T^{2} \)
37 \( 1 + 1.97T + 37T^{2} \)
41 \( 1 + 8.26T + 41T^{2} \)
43 \( 1 - 7.03T + 43T^{2} \)
47 \( 1 - 1.69T + 47T^{2} \)
53 \( 1 + 9.69T + 53T^{2} \)
59 \( 1 + 9.83T + 59T^{2} \)
61 \( 1 + 4.79T + 61T^{2} \)
67 \( 1 - 11.8T + 67T^{2} \)
71 \( 1 + 2.62T + 71T^{2} \)
73 \( 1 + 6.49T + 73T^{2} \)
79 \( 1 - 0.525T + 79T^{2} \)
83 \( 1 - 10.4T + 83T^{2} \)
89 \( 1 + 8.27T + 89T^{2} \)
97 \( 1 - 11.6T + 97T^{2} \)
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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

−9.537489404696774004713991421352, −8.958801851182830455114509498644, −8.179408040295034094594482193587, −7.68915655322038751432335352796, −6.93035522994283372243144969155, −5.08932366892090610162524984249, −4.35415950460876924232025728972, −2.91232825411454401932598666461, −2.00241919486724416190190269685, 0, 2.00241919486724416190190269685, 2.91232825411454401932598666461, 4.35415950460876924232025728972, 5.08932366892090610162524984249, 6.93035522994283372243144969155, 7.68915655322038751432335352796, 8.179408040295034094594482193587, 8.958801851182830455114509498644, 9.537489404696774004713991421352

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