Properties

Label 2-2240-35.34-c0-0-2
Degree $2$
Conductor $2240$
Sign $1$
Analytic cond. $1.11790$
Root an. cond. $1.05731$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 5-s − 7-s + 11-s − 13-s − 15-s + 17-s + 21-s + 25-s + 27-s + 29-s − 33-s − 35-s + 39-s + 47-s + 49-s − 51-s + 55-s − 65-s + 2·71-s − 2·73-s − 75-s − 77-s − 79-s − 81-s + 2·83-s + 85-s + ⋯
L(s)  = 1  − 3-s + 5-s − 7-s + 11-s − 13-s − 15-s + 17-s + 21-s + 25-s + 27-s + 29-s − 33-s − 35-s + 39-s + 47-s + 49-s − 51-s + 55-s − 65-s + 2·71-s − 2·73-s − 75-s − 77-s − 79-s − 81-s + 2·83-s + 85-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $1$
Analytic conductor: \(1.11790\)
Root analytic conductor: \(1.05731\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{2240} (769, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.9011659481\)
\(L(\frac12)\) \(\approx\) \(0.9011659481\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
7 \( 1 + T \)
good3 \( 1 + T + T^{2} \)
11 \( 1 - T + T^{2} \)
13 \( 1 + T + T^{2} \)
17 \( 1 - T + T^{2} \)
19 \( ( 1 - T )( 1 + T ) \)
23 \( ( 1 - T )( 1 + T ) \)
29 \( 1 - T + T^{2} \)
31 \( ( 1 - T )( 1 + T ) \)
37 \( ( 1 - T )( 1 + T ) \)
41 \( ( 1 - T )( 1 + T ) \)
43 \( ( 1 - T )( 1 + T ) \)
47 \( 1 - T + T^{2} \)
53 \( ( 1 - T )( 1 + T ) \)
59 \( ( 1 - T )( 1 + T ) \)
61 \( ( 1 - T )( 1 + T ) \)
67 \( ( 1 - T )( 1 + T ) \)
71 \( ( 1 - T )^{2} \)
73 \( ( 1 + T )^{2} \)
79 \( 1 + T + T^{2} \)
83 \( ( 1 - T )^{2} \)
89 \( ( 1 - T )( 1 + T ) \)
97 \( 1 - T + T^{2} \)
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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

−9.374604998051944660209708983297, −8.692016180832189638682762171679, −7.40643534041186724801619332297, −6.62220552071558489495359773234, −6.11423946741065666326612462640, −5.44977311974315207852571759916, −4.63879820689454096748119109095, −3.38839911512926316428060272328, −2.43473540771854653701908477771, −0.982940633817558349115828193711, 0.982940633817558349115828193711, 2.43473540771854653701908477771, 3.38839911512926316428060272328, 4.63879820689454096748119109095, 5.44977311974315207852571759916, 6.11423946741065666326612462640, 6.62220552071558489495359773234, 7.40643534041186724801619332297, 8.692016180832189638682762171679, 9.374604998051944660209708983297

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