Properties

Label 2-805-1.1-c1-0-11
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  − 0.554·2-s − 3.04·3-s − 1.69·4-s − 5-s + 1.69·6-s − 7-s + 2.04·8-s + 6.29·9-s + 0.554·10-s − 2.44·11-s + 5.15·12-s + 5.96·13-s + 0.554·14-s + 3.04·15-s + 2.24·16-s + 4.93·17-s − 3.49·18-s − 3.69·19-s + 1.69·20-s + 3.04·21-s + 1.35·22-s − 23-s − 6.24·24-s + 25-s − 3.30·26-s − 10.0·27-s + 1.69·28-s + ⋯
L(s)  = 1  − 0.392·2-s − 1.76·3-s − 0.846·4-s − 0.447·5-s + 0.690·6-s − 0.377·7-s + 0.724·8-s + 2.09·9-s + 0.175·10-s − 0.737·11-s + 1.48·12-s + 1.65·13-s + 0.148·14-s + 0.787·15-s + 0.561·16-s + 1.19·17-s − 0.823·18-s − 0.847·19-s + 0.378·20-s + 0.665·21-s + 0.289·22-s − 0.208·23-s − 1.27·24-s + 0.200·25-s − 0.648·26-s − 1.93·27-s + 0.319·28-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 \( 1 + 0.554T + 2T^{2} \)
3 \( 1 + 3.04T + 3T^{2} \)
11 \( 1 + 2.44T + 11T^{2} \)
13 \( 1 - 5.96T + 13T^{2} \)
17 \( 1 - 4.93T + 17T^{2} \)
19 \( 1 + 3.69T + 19T^{2} \)
29 \( 1 + 6.71T + 29T^{2} \)
31 \( 1 + 2.80T + 31T^{2} \)
37 \( 1 - 1.33T + 37T^{2} \)
41 \( 1 - 6.87T + 41T^{2} \)
43 \( 1 - 0.554T + 43T^{2} \)
47 \( 1 - 11.7T + 47T^{2} \)
53 \( 1 + 11.4T + 53T^{2} \)
59 \( 1 + 11.7T + 59T^{2} \)
61 \( 1 - 4.78T + 61T^{2} \)
67 \( 1 - 11.5T + 67T^{2} \)
71 \( 1 + 6.13T + 71T^{2} \)
73 \( 1 + 10.7T + 73T^{2} \)
79 \( 1 + 10.0T + 79T^{2} \)
83 \( 1 - 0.948T + 83T^{2} \)
89 \( 1 + 3.65T + 89T^{2} \)
97 \( 1 + 11.4T + 97T^{2} \)
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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

−10.04241881147543088852306686111, −9.110674552816913051647095934735, −8.058470254691835317902668370714, −7.27422672792843348887847050257, −5.99938800496020904094184202629, −5.61007160195289774711931640067, −4.47425452011155382749808215230, −3.66869116963300675576049283818, −1.20793493726235163084881198577, 0, 1.20793493726235163084881198577, 3.66869116963300675576049283818, 4.47425452011155382749808215230, 5.61007160195289774711931640067, 5.99938800496020904094184202629, 7.27422672792843348887847050257, 8.058470254691835317902668370714, 9.110674552816913051647095934735, 10.04241881147543088852306686111

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