Properties

Label 2-155-1.1-c1-0-5
Degree $2$
Conductor $155$
Sign $-1$
Analytic cond. $1.23768$
Root an. cond. $1.11251$
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  − 2·2-s − 3-s + 2·4-s + 5-s + 2·6-s − 2·7-s − 2·9-s − 2·10-s + 2·11-s − 2·12-s − 6·13-s + 4·14-s − 15-s − 4·16-s − 7·17-s + 4·18-s − 5·19-s + 2·20-s + 2·21-s − 4·22-s + 4·23-s + 25-s + 12·26-s + 5·27-s − 4·28-s + 2·30-s + 31-s + ⋯
L(s)  = 1  − 1.41·2-s − 0.577·3-s + 4-s + 0.447·5-s + 0.816·6-s − 0.755·7-s − 2/3·9-s − 0.632·10-s + 0.603·11-s − 0.577·12-s − 1.66·13-s + 1.06·14-s − 0.258·15-s − 16-s − 1.69·17-s + 0.942·18-s − 1.14·19-s + 0.447·20-s + 0.436·21-s − 0.852·22-s + 0.834·23-s + 1/5·25-s + 2.35·26-s + 0.962·27-s − 0.755·28-s + 0.365·30-s + 0.179·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 155 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 155 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(155\)    =    \(5 \cdot 31\)
Sign: $-1$
Analytic conductor: \(1.23768\)
Root analytic conductor: \(1.11251\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 155,\ (\ :1/2),\ -1)\)

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)$
bad5 \( 1 - T \)
31 \( 1 - T \)
good2 \( 1 + p T + p T^{2} \)
3 \( 1 + T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
13 \( 1 + 6 T + p T^{2} \)
17 \( 1 + 7 T + p T^{2} \)
19 \( 1 + 5 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + p T^{2} \)
37 \( 1 + 7 T + p T^{2} \)
41 \( 1 + 3 T + p T^{2} \)
43 \( 1 - 9 T + p T^{2} \)
47 \( 1 + 2 T + p T^{2} \)
53 \( 1 - 9 T + p T^{2} \)
59 \( 1 + 5 T + p T^{2} \)
61 \( 1 + 8 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + 3 T + p T^{2} \)
73 \( 1 + T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 + 11 T + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 - 18 T + p T^{2} \)
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

−12.20762383692948500677061646494, −11.09498063192030293254985792392, −10.31379867723308163102174825143, −9.288531877484068463611671202945, −8.684810479314438312656269084119, −7.10940075033129095800898797147, −6.36900778286944262677364669678, −4.74954893086526561992252400080, −2.37505881342577977402226873938, 0, 2.37505881342577977402226873938, 4.74954893086526561992252400080, 6.36900778286944262677364669678, 7.10940075033129095800898797147, 8.684810479314438312656269084119, 9.288531877484068463611671202945, 10.31379867723308163102174825143, 11.09498063192030293254985792392, 12.20762383692948500677061646494

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