Properties

Label 2-1805-1.1-c1-0-97
Degree $2$
Conductor $1805$
Sign $-1$
Analytic cond. $14.4129$
Root an. cond. $3.79644$
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  + 2.28·2-s − 2.50·3-s + 3.22·4-s − 5-s − 5.72·6-s + 3.50·7-s + 2.79·8-s + 3.28·9-s − 2.28·10-s − 4.50·11-s − 8.07·12-s − 5·13-s + 8.01·14-s + 2.50·15-s − 0.0632·16-s + 0.158·17-s + 7.50·18-s − 3.22·20-s − 8.79·21-s − 10.2·22-s + 1.15·23-s − 7.00·24-s + 25-s − 11.4·26-s − 0.714·27-s + 11.2·28-s − 3.50·29-s + ⋯
L(s)  = 1  + 1.61·2-s − 1.44·3-s + 1.61·4-s − 0.447·5-s − 2.33·6-s + 1.32·7-s + 0.987·8-s + 1.09·9-s − 0.722·10-s − 1.35·11-s − 2.33·12-s − 1.38·13-s + 2.14·14-s + 0.647·15-s − 0.0158·16-s + 0.0384·17-s + 1.76·18-s − 0.720·20-s − 1.91·21-s − 2.19·22-s + 0.241·23-s − 1.42·24-s + 0.200·25-s − 2.24·26-s − 0.137·27-s + 2.13·28-s − 0.651·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1805\)    =    \(5 \cdot 19^{2}\)
Sign: $-1$
Analytic conductor: \(14.4129\)
Root analytic conductor: \(3.79644\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1805,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
19 \( 1 \)
good2 \( 1 - 2.28T + 2T^{2} \)
3 \( 1 + 2.50T + 3T^{2} \)
7 \( 1 - 3.50T + 7T^{2} \)
11 \( 1 + 4.50T + 11T^{2} \)
13 \( 1 + 5T + 13T^{2} \)
17 \( 1 - 0.158T + 17T^{2} \)
23 \( 1 - 1.15T + 23T^{2} \)
29 \( 1 + 3.50T + 29T^{2} \)
31 \( 1 + 2.28T + 31T^{2} \)
37 \( 1 + 10.9T + 37T^{2} \)
41 \( 1 - 6.07T + 41T^{2} \)
43 \( 1 + 3.34T + 43T^{2} \)
47 \( 1 - 3.06T + 47T^{2} \)
53 \( 1 + 5.74T + 53T^{2} \)
59 \( 1 - 3.06T + 59T^{2} \)
61 \( 1 + 0.873T + 61T^{2} \)
67 \( 1 + 8.44T + 67T^{2} \)
71 \( 1 + 16.2T + 71T^{2} \)
73 \( 1 + 7.15T + 73T^{2} \)
79 \( 1 + 10.1T + 79T^{2} \)
83 \( 1 - 4.85T + 83T^{2} \)
89 \( 1 + 1.11T + 89T^{2} \)
97 \( 1 - 1.61T + 97T^{2} \)
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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

−8.734337204775349281260988905614, −7.47896572712317361606655589630, −7.26611105208381067118856969565, −6.01034952711883371326323980930, −5.32677707871457629279093725153, −4.90817592162673656102726515931, −4.39120143851908302680373591690, −3.04515020495967932512401540018, −1.91887892604826276474306693197, 0, 1.91887892604826276474306693197, 3.04515020495967932512401540018, 4.39120143851908302680373591690, 4.90817592162673656102726515931, 5.32677707871457629279093725153, 6.01034952711883371326323980930, 7.26611105208381067118856969565, 7.47896572712317361606655589630, 8.734337204775349281260988905614

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