Properties

Label 2-1805-1.1-c1-0-92
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.65·2-s + 2.41·3-s + 5.05·4-s − 5-s + 6.40·6-s − 2.14·7-s + 8.10·8-s + 2.81·9-s − 2.65·10-s + 4.94·11-s + 12.1·12-s − 4.54·13-s − 5.70·14-s − 2.41·15-s + 11.4·16-s − 0.0358·17-s + 7.48·18-s − 5.05·20-s − 5.17·21-s + 13.1·22-s + 0.737·23-s + 19.5·24-s + 25-s − 12.0·26-s − 0.439·27-s − 10.8·28-s + 7.02·29-s + ⋯
L(s)  = 1  + 1.87·2-s + 1.39·3-s + 2.52·4-s − 0.447·5-s + 2.61·6-s − 0.811·7-s + 2.86·8-s + 0.939·9-s − 0.839·10-s + 1.49·11-s + 3.51·12-s − 1.25·13-s − 1.52·14-s − 0.622·15-s + 2.85·16-s − 0.00869·17-s + 1.76·18-s − 1.12·20-s − 1.12·21-s + 2.80·22-s + 0.153·23-s + 3.99·24-s + 0.200·25-s − 2.36·26-s − 0.0845·27-s − 2.04·28-s + 1.30·29-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: \(0\)
Selberg data: \((2,\ 1805,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(7.767410490\)
\(L(\frac12)\) \(\approx\) \(7.767410490\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.65T + 2T^{2} \)
3 \( 1 - 2.41T + 3T^{2} \)
7 \( 1 + 2.14T + 7T^{2} \)
11 \( 1 - 4.94T + 11T^{2} \)
13 \( 1 + 4.54T + 13T^{2} \)
17 \( 1 + 0.0358T + 17T^{2} \)
23 \( 1 - 0.737T + 23T^{2} \)
29 \( 1 - 7.02T + 29T^{2} \)
31 \( 1 + 7.77T + 31T^{2} \)
37 \( 1 + 3.53T + 37T^{2} \)
41 \( 1 + 2.88T + 41T^{2} \)
43 \( 1 - 4.28T + 43T^{2} \)
47 \( 1 + 1.66T + 47T^{2} \)
53 \( 1 + 6.01T + 53T^{2} \)
59 \( 1 - 8.55T + 59T^{2} \)
61 \( 1 + 10.6T + 61T^{2} \)
67 \( 1 + 0.166T + 67T^{2} \)
71 \( 1 - 11.9T + 71T^{2} \)
73 \( 1 - 4.62T + 73T^{2} \)
79 \( 1 + 12.8T + 79T^{2} \)
83 \( 1 + 14.4T + 83T^{2} \)
89 \( 1 - 3.15T + 89T^{2} \)
97 \( 1 + 3.28T + 97T^{2} \)
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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

−9.292274112055562238274963314913, −8.358476002974486019292930970503, −7.28451037371245290201088476983, −6.91876382944417661858690375035, −6.02889365857063202921945547592, −4.88023205234692816408586259284, −4.08049587743345078750588549359, −3.41677591342421968464749603418, −2.82780512370617744140575282410, −1.81474848050861129905345706513, 1.81474848050861129905345706513, 2.82780512370617744140575282410, 3.41677591342421968464749603418, 4.08049587743345078750588549359, 4.88023205234692816408586259284, 6.02889365857063202921945547592, 6.91876382944417661858690375035, 7.28451037371245290201088476983, 8.358476002974486019292930970503, 9.292274112055562238274963314913

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