Properties

Label 2-238-1.1-c1-0-5
Degree $2$
Conductor $238$
Sign $-1$
Analytic cond. $1.90043$
Root an. cond. $1.37856$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s − 2·5-s − 7-s − 8-s − 3·9-s + 2·10-s − 2·11-s + 14-s + 16-s − 17-s + 3·18-s − 2·19-s − 2·20-s + 2·22-s − 8·23-s − 25-s − 28-s + 8·31-s − 32-s + 34-s + 2·35-s − 3·36-s − 4·37-s + 2·38-s + 2·40-s − 6·41-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s − 0.894·5-s − 0.377·7-s − 0.353·8-s − 9-s + 0.632·10-s − 0.603·11-s + 0.267·14-s + 1/4·16-s − 0.242·17-s + 0.707·18-s − 0.458·19-s − 0.447·20-s + 0.426·22-s − 1.66·23-s − 1/5·25-s − 0.188·28-s + 1.43·31-s − 0.176·32-s + 0.171·34-s + 0.338·35-s − 1/2·36-s − 0.657·37-s + 0.324·38-s + 0.316·40-s − 0.937·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 238 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 238 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(238\)    =    \(2 \cdot 7 \cdot 17\)
Sign: $-1$
Analytic conductor: \(1.90043\)
Root analytic conductor: \(1.37856\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 238,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 + T \)
7 \( 1 + T \)
17 \( 1 + T \)
good3 \( 1 + p T^{2} \)
5 \( 1 + 2 T + p T^{2} \)
11 \( 1 + 2 T + p T^{2} \)
13 \( 1 + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
23 \( 1 + 8 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 + 4 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 - 10 T + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 - 4 T + p T^{2} \)
73 \( 1 + 10 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 + 14 T + p T^{2} \)
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

−11.64946522323015128776983368195, −10.67230872441059070869704747981, −9.763847989273936703803471253272, −8.468151783612378810125662561785, −8.024463406411413208815234536452, −6.76626773482443698632812811275, −5.62672058490049396710575997042, −3.96511449610299471402331111472, −2.56493236008968775596152231873, 0, 2.56493236008968775596152231873, 3.96511449610299471402331111472, 5.62672058490049396710575997042, 6.76626773482443698632812811275, 8.024463406411413208815234536452, 8.468151783612378810125662561785, 9.763847989273936703803471253272, 10.67230872441059070869704747981, 11.64946522323015128776983368195

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