Properties

Label 2-56-1.1-c9-0-10
Degree $2$
Conductor $56$
Sign $-1$
Analytic cond. $28.8420$
Root an. cond. $5.37047$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 7.32·3-s + 1.19e3·5-s − 2.40e3·7-s − 1.96e4·9-s − 1.82e4·11-s + 5.03e4·13-s − 8.72e3·15-s + 2.83e5·17-s − 2.73e5·19-s + 1.75e4·21-s − 1.06e6·23-s − 5.34e5·25-s + 2.87e5·27-s − 5.40e6·29-s − 1.75e6·31-s + 1.33e5·33-s − 2.85e6·35-s − 7.76e6·37-s − 3.68e5·39-s + 8.92e6·41-s − 3.46e7·43-s − 2.33e7·45-s − 3.66e7·47-s + 5.76e6·49-s − 2.07e6·51-s − 6.10e7·53-s − 2.17e7·55-s + ⋯
L(s)  = 1  − 0.0521·3-s + 0.852·5-s − 0.377·7-s − 0.997·9-s − 0.375·11-s + 0.488·13-s − 0.0444·15-s + 0.823·17-s − 0.481·19-s + 0.0197·21-s − 0.790·23-s − 0.273·25-s + 0.104·27-s − 1.41·29-s − 0.342·31-s + 0.0196·33-s − 0.322·35-s − 0.681·37-s − 0.0255·39-s + 0.493·41-s − 1.54·43-s − 0.850·45-s − 1.09·47-s + 0.142·49-s − 0.0429·51-s − 1.06·53-s − 0.320·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 56 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 56 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(56\)    =    \(2^{3} \cdot 7\)
Sign: $-1$
Analytic conductor: \(28.8420\)
Root analytic conductor: \(5.37047\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 56,\ (\ :9/2),\ -1)\)

Particular Values

\(L(5)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{11}{2})\) 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 \( 1 + 2.40e3T \)
good3 \( 1 + 7.32T + 1.96e4T^{2} \)
5 \( 1 - 1.19e3T + 1.95e6T^{2} \)
11 \( 1 + 1.82e4T + 2.35e9T^{2} \)
13 \( 1 - 5.03e4T + 1.06e10T^{2} \)
17 \( 1 - 2.83e5T + 1.18e11T^{2} \)
19 \( 1 + 2.73e5T + 3.22e11T^{2} \)
23 \( 1 + 1.06e6T + 1.80e12T^{2} \)
29 \( 1 + 5.40e6T + 1.45e13T^{2} \)
31 \( 1 + 1.75e6T + 2.64e13T^{2} \)
37 \( 1 + 7.76e6T + 1.29e14T^{2} \)
41 \( 1 - 8.92e6T + 3.27e14T^{2} \)
43 \( 1 + 3.46e7T + 5.02e14T^{2} \)
47 \( 1 + 3.66e7T + 1.11e15T^{2} \)
53 \( 1 + 6.10e7T + 3.29e15T^{2} \)
59 \( 1 + 9.02e7T + 8.66e15T^{2} \)
61 \( 1 - 1.52e8T + 1.16e16T^{2} \)
67 \( 1 + 2.18e7T + 2.72e16T^{2} \)
71 \( 1 + 2.33e8T + 4.58e16T^{2} \)
73 \( 1 - 1.06e8T + 5.88e16T^{2} \)
79 \( 1 - 2.89e8T + 1.19e17T^{2} \)
83 \( 1 - 4.73e7T + 1.86e17T^{2} \)
89 \( 1 - 6.97e8T + 3.50e17T^{2} \)
97 \( 1 - 7.82e8T + 7.60e17T^{2} \)
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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

−12.90367479226140293384968477520, −11.57582344976508275654099941679, −10.35141971554670286467114754075, −9.279480998333914652431345306713, −8.001767240894191431153840589958, −6.28982032879519245680865611148, −5.39876850179180110601858479412, −3.40188700693229396626999332687, −1.90583267238378760935328241160, 0, 1.90583267238378760935328241160, 3.40188700693229396626999332687, 5.39876850179180110601858479412, 6.28982032879519245680865611148, 8.001767240894191431153840589958, 9.279480998333914652431345306713, 10.35141971554670286467114754075, 11.57582344976508275654099941679, 12.90367479226140293384968477520

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