Properties

Label 2-27690-1.1-c1-0-28
Degree $2$
Conductor $27690$
Sign $-1$
Analytic cond. $221.105$
Root an. cond. $14.8696$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 3-s + 4-s + 5-s + 6-s − 4·7-s + 8-s + 9-s + 10-s + 2·11-s + 12-s + 13-s − 4·14-s + 15-s + 16-s + 6·17-s + 18-s − 4·19-s + 20-s − 4·21-s + 2·22-s − 2·23-s + 24-s + 25-s + 26-s + 27-s − 4·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.577·3-s + 1/2·4-s + 0.447·5-s + 0.408·6-s − 1.51·7-s + 0.353·8-s + 1/3·9-s + 0.316·10-s + 0.603·11-s + 0.288·12-s + 0.277·13-s − 1.06·14-s + 0.258·15-s + 1/4·16-s + 1.45·17-s + 0.235·18-s − 0.917·19-s + 0.223·20-s − 0.872·21-s + 0.426·22-s − 0.417·23-s + 0.204·24-s + 1/5·25-s + 0.196·26-s + 0.192·27-s − 0.755·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27690 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27690 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27690\)    =    \(2 \cdot 3 \cdot 5 \cdot 13 \cdot 71\)
Sign: $-1$
Analytic conductor: \(221.105\)
Root analytic conductor: \(14.8696\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 27690,\ (\ :1/2),\ -1)\)

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)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 - T \)
3 \( 1 - T \)
5 \( 1 - T \)
13 \( 1 - T \)
71 \( 1 + T \)
good7 \( 1 + 4 T + p T^{2} \) 1.7.e
11 \( 1 - 2 T + p T^{2} \) 1.11.ac
17 \( 1 - 6 T + p T^{2} \) 1.17.ag
19 \( 1 + 4 T + p T^{2} \) 1.19.e
23 \( 1 + 2 T + p T^{2} \) 1.23.c
29 \( 1 + 6 T + p T^{2} \) 1.29.g
31 \( 1 + 2 T + p T^{2} \) 1.31.c
37 \( 1 - 2 T + p T^{2} \) 1.37.ac
41 \( 1 + 8 T + p T^{2} \) 1.41.i
43 \( 1 + 8 T + p T^{2} \) 1.43.i
47 \( 1 - 6 T + p T^{2} \) 1.47.ag
53 \( 1 + 4 T + p T^{2} \) 1.53.e
59 \( 1 - 2 T + p T^{2} \) 1.59.ac
61 \( 1 + p T^{2} \) 1.61.a
67 \( 1 + 14 T + p T^{2} \) 1.67.o
73 \( 1 + 10 T + p T^{2} \) 1.73.k
79 \( 1 + 12 T + p T^{2} \) 1.79.m
83 \( 1 - 4 T + p T^{2} \) 1.83.ae
89 \( 1 + 6 T + p T^{2} \) 1.89.g
97 \( 1 + 8 T + p T^{2} \) 1.97.i
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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

−15.39529506223618, −14.72906153470456, −14.59128369481274, −13.79588393911185, −13.31215252333877, −13.06647056048184, −12.34242955772815, −12.07158997826576, −11.28736599883441, −10.49694101568091, −10.03856579406947, −9.643798039853824, −9.006559064266395, −8.456838649684964, −7.661599900989621, −7.029846452203152, −6.566156701831359, −5.868508404667448, −5.618816926077091, −4.558905861361606, −3.891118084987639, −3.342216242978052, −2.948776983231591, −1.999005595437974, −1.331762012225060, 0, 1.331762012225060, 1.999005595437974, 2.948776983231591, 3.342216242978052, 3.891118084987639, 4.558905861361606, 5.618816926077091, 5.868508404667448, 6.566156701831359, 7.029846452203152, 7.661599900989621, 8.456838649684964, 9.006559064266395, 9.643798039853824, 10.03856579406947, 10.49694101568091, 11.28736599883441, 12.07158997826576, 12.34242955772815, 13.06647056048184, 13.31215252333877, 13.79588393911185, 14.59128369481274, 14.72906153470456, 15.39529506223618

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