Properties

Label 2-41e2-1.1-c1-0-7
Degree $2$
Conductor $1681$
Sign $1$
Analytic cond. $13.4228$
Root an. cond. $3.66372$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 1.47·2-s − 2.68·3-s + 0.189·4-s − 0.774·5-s − 3.97·6-s − 4.67·7-s − 2.67·8-s + 4.22·9-s − 1.14·10-s − 0.545·11-s − 0.508·12-s − 0.907·13-s − 6.92·14-s + 2.08·15-s − 4.34·16-s − 5.99·17-s + 6.24·18-s + 4.38·19-s − 0.146·20-s + 12.5·21-s − 0.806·22-s + 1.04·23-s + 7.20·24-s − 4.40·25-s − 1.34·26-s − 3.28·27-s − 0.884·28-s + ⋯
L(s)  = 1  + 1.04·2-s − 1.55·3-s + 0.0946·4-s − 0.346·5-s − 1.62·6-s − 1.76·7-s − 0.947·8-s + 1.40·9-s − 0.362·10-s − 0.164·11-s − 0.146·12-s − 0.251·13-s − 1.84·14-s + 0.537·15-s − 1.08·16-s − 1.45·17-s + 1.47·18-s + 1.00·19-s − 0.0327·20-s + 2.74·21-s − 0.171·22-s + 0.218·23-s + 1.46·24-s − 0.880·25-s − 0.263·26-s − 0.632·27-s − 0.167·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1681 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1681 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1681\)    =    \(41^{2}\)
Sign: $1$
Analytic conductor: \(13.4228\)
Root analytic conductor: \(3.66372\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1681,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.4683107742\)
\(L(\frac12)\) \(\approx\) \(0.4683107742\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad41 \( 1 \)
good2 \( 1 - 1.47T + 2T^{2} \)
3 \( 1 + 2.68T + 3T^{2} \)
5 \( 1 + 0.774T + 5T^{2} \)
7 \( 1 + 4.67T + 7T^{2} \)
11 \( 1 + 0.545T + 11T^{2} \)
13 \( 1 + 0.907T + 13T^{2} \)
17 \( 1 + 5.99T + 17T^{2} \)
19 \( 1 - 4.38T + 19T^{2} \)
23 \( 1 - 1.04T + 23T^{2} \)
29 \( 1 + 1.23T + 29T^{2} \)
31 \( 1 - 1.52T + 31T^{2} \)
37 \( 1 + 7.25T + 37T^{2} \)
43 \( 1 - 6.22T + 43T^{2} \)
47 \( 1 - 3.97T + 47T^{2} \)
53 \( 1 - 5.35T + 53T^{2} \)
59 \( 1 - 8.87T + 59T^{2} \)
61 \( 1 - 1.38T + 61T^{2} \)
67 \( 1 - 5.63T + 67T^{2} \)
71 \( 1 - 1.08T + 71T^{2} \)
73 \( 1 + 5.61T + 73T^{2} \)
79 \( 1 + 12.1T + 79T^{2} \)
83 \( 1 + 13.1T + 83T^{2} \)
89 \( 1 - 1.95T + 89T^{2} \)
97 \( 1 + 1.94T + 97T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−9.550899054290538909451785941077, −8.739310858078160327224140792829, −7.14907888426822574158371583585, −6.71727990923817121107734675679, −5.86461757528180872272075014780, −5.43088412711919951450863391094, −4.41329765765747869890401929098, −3.72029070399467225098705197802, −2.67359331885479268820224153955, −0.41104067902700400817973492749, 0.41104067902700400817973492749, 2.67359331885479268820224153955, 3.72029070399467225098705197802, 4.41329765765747869890401929098, 5.43088412711919951450863391094, 5.86461757528180872272075014780, 6.71727990923817121107734675679, 7.14907888426822574158371583585, 8.739310858078160327224140792829, 9.550899054290538909451785941077

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