Properties

Label 2-56-1.1-c5-0-6
Degree $2$
Conductor $56$
Sign $-1$
Analytic cond. $8.98149$
Root an. cond. $2.99691$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 6·3-s + 4·5-s + 49·7-s − 207·9-s − 240·11-s − 744·13-s − 24·15-s − 1.04e3·17-s − 986·19-s − 294·21-s + 184·23-s − 3.10e3·25-s + 2.70e3·27-s − 734·29-s + 5.14e3·31-s + 1.44e3·33-s + 196·35-s − 6.05e3·37-s + 4.46e3·39-s + 7.59e3·41-s + 1.30e4·43-s − 828·45-s + 1.46e4·47-s + 2.40e3·49-s + 6.25e3·51-s − 1.45e4·53-s − 960·55-s + ⋯
L(s)  = 1  − 0.384·3-s + 0.0715·5-s + 0.377·7-s − 0.851·9-s − 0.598·11-s − 1.22·13-s − 0.0275·15-s − 0.874·17-s − 0.626·19-s − 0.145·21-s + 0.0725·23-s − 0.994·25-s + 0.712·27-s − 0.162·29-s + 0.960·31-s + 0.230·33-s + 0.0270·35-s − 0.727·37-s + 0.469·39-s + 0.705·41-s + 1.07·43-s − 0.0609·45-s + 0.968·47-s + 1/7·49-s + 0.336·51-s − 0.710·53-s − 0.0427·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 56 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 56 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(56\)    =    \(2^{3} \cdot 7\)
Sign: $-1$
Analytic conductor: \(8.98149\)
Root analytic conductor: \(2.99691\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 56,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 - p^{2} T \)
good3 \( 1 + 2 p T + p^{5} T^{2} \)
5 \( 1 - 4 T + p^{5} T^{2} \)
11 \( 1 + 240 T + p^{5} T^{2} \)
13 \( 1 + 744 T + p^{5} T^{2} \)
17 \( 1 + 1042 T + p^{5} T^{2} \)
19 \( 1 + 986 T + p^{5} T^{2} \)
23 \( 1 - 8 p T + p^{5} T^{2} \)
29 \( 1 + 734 T + p^{5} T^{2} \)
31 \( 1 - 5140 T + p^{5} T^{2} \)
37 \( 1 + 6054 T + p^{5} T^{2} \)
41 \( 1 - 7598 T + p^{5} T^{2} \)
43 \( 1 - 13016 T + p^{5} T^{2} \)
47 \( 1 - 14668 T + p^{5} T^{2} \)
53 \( 1 + 274 p T + p^{5} T^{2} \)
59 \( 1 + 13362 T + p^{5} T^{2} \)
61 \( 1 - 9676 T + p^{5} T^{2} \)
67 \( 1 + 62124 T + p^{5} T^{2} \)
71 \( 1 + 2112 T + p^{5} T^{2} \)
73 \( 1 + 28910 T + p^{5} T^{2} \)
79 \( 1 + 101768 T + p^{5} T^{2} \)
83 \( 1 + 23922 T + p^{5} T^{2} \)
89 \( 1 - 141674 T + p^{5} T^{2} \)
97 \( 1 - 99982 T + p^{5} T^{2} \)
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

−13.74939302447349727319812188133, −12.43492069778585565529671615478, −11.39725342837704550311809898810, −10.32156866516467691657262144944, −8.863654954865900799569635317304, −7.54620721974366629144754269528, −5.96908091612444019369391935758, −4.66208333584402984742175329908, −2.46125038256428076025062695303, 0, 2.46125038256428076025062695303, 4.66208333584402984742175329908, 5.96908091612444019369391935758, 7.54620721974366629144754269528, 8.863654954865900799569635317304, 10.32156866516467691657262144944, 11.39725342837704550311809898810, 12.43492069778585565529671615478, 13.74939302447349727319812188133

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