Properties

Label 2-231-231.230-c0-0-0
Degree $2$
Conductor $231$
Sign $1$
Analytic cond. $0.115284$
Root an. cond. $0.339535$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 2-s − 3-s + 5-s + 6-s − 7-s + 8-s + 9-s − 10-s + 11-s + 13-s + 14-s − 15-s − 16-s − 18-s + 19-s + 21-s − 22-s − 24-s − 26-s − 27-s − 29-s + 30-s − 33-s − 35-s − 37-s − 38-s − 39-s + ⋯
L(s)  = 1  − 2-s − 3-s + 5-s + 6-s − 7-s + 8-s + 9-s − 10-s + 11-s + 13-s + 14-s − 15-s − 16-s − 18-s + 19-s + 21-s − 22-s − 24-s − 26-s − 27-s − 29-s + 30-s − 33-s − 35-s − 37-s − 38-s − 39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 231 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 231 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(231\)    =    \(3 \cdot 7 \cdot 11\)
Sign: $1$
Analytic conductor: \(0.115284\)
Root analytic conductor: \(0.339535\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{231} (230, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 231,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.3701288784\)
\(L(\frac12)\) \(\approx\) \(0.3701288784\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
7 \( 1 + T \)
11 \( 1 - T \)
good2 \( 1 + T + T^{2} \)
5 \( 1 - T + T^{2} \)
13 \( 1 - T + T^{2} \)
17 \( ( 1 - T )( 1 + T ) \)
19 \( 1 - T + T^{2} \)
23 \( ( 1 - T )( 1 + T ) \)
29 \( 1 + T + T^{2} \)
31 \( ( 1 - T )( 1 + T ) \)
37 \( 1 + T + T^{2} \)
41 \( ( 1 - T )( 1 + T ) \)
43 \( ( 1 - T )( 1 + T ) \)
47 \( 1 - T + T^{2} \)
53 \( ( 1 - T )( 1 + T ) \)
59 \( 1 - T + T^{2} \)
61 \( ( 1 + T )^{2} \)
67 \( 1 + T + T^{2} \)
71 \( ( 1 - T )( 1 + T ) \)
73 \( 1 - T + T^{2} \)
79 \( ( 1 - T )( 1 + T ) \)
83 \( ( 1 - T )( 1 + T ) \)
89 \( ( 1 + T )^{2} \)
97 \( ( 1 - T )( 1 + T ) \)
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

−12.32848537555585428969738239349, −11.19890634879836368059449488540, −10.28003921063227548682425678416, −9.561448995802831927557230678629, −8.955682220067399655377402410399, −7.33965796238802130019399168707, −6.37089988384106126433373235250, −5.49452683200611078436646030950, −3.89212545776047806075019712736, −1.42432380248619842007983818178, 1.42432380248619842007983818178, 3.89212545776047806075019712736, 5.49452683200611078436646030950, 6.37089988384106126433373235250, 7.33965796238802130019399168707, 8.955682220067399655377402410399, 9.561448995802831927557230678629, 10.28003921063227548682425678416, 11.19890634879836368059449488540, 12.32848537555585428969738239349

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