Properties

Label 2-7440-1.1-c1-0-66
Degree $2$
Conductor $7440$
Sign $1$
Analytic cond. $59.4086$
Root an. cond. $7.70770$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 5-s + 2.78·7-s + 9-s + 5.21·11-s − 0.429·13-s + 15-s + 2.09·17-s − 1.64·19-s + 2.78·21-s − 1.54·23-s + 25-s + 27-s − 9.19·29-s + 31-s + 5.21·33-s + 2.78·35-s − 2.42·37-s − 0.429·39-s + 8.66·41-s + 8.50·43-s + 45-s − 4.95·47-s + 0.744·49-s + 2.09·51-s + 12.2·53-s + 5.21·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s + 1.05·7-s + 0.333·9-s + 1.57·11-s − 0.119·13-s + 0.258·15-s + 0.508·17-s − 0.377·19-s + 0.607·21-s − 0.322·23-s + 0.200·25-s + 0.192·27-s − 1.70·29-s + 0.179·31-s + 0.907·33-s + 0.470·35-s − 0.399·37-s − 0.0687·39-s + 1.35·41-s + 1.29·43-s + 0.149·45-s − 0.723·47-s + 0.106·49-s + 0.293·51-s + 1.67·53-s + 0.702·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7440\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 31\)
Sign: $1$
Analytic conductor: \(59.4086\)
Root analytic conductor: \(7.70770\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7440,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.810973299\)
\(L(\frac12)\) \(\approx\) \(3.810973299\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - T \)
5 \( 1 - T \)
31 \( 1 - T \)
good7 \( 1 - 2.78T + 7T^{2} \)
11 \( 1 - 5.21T + 11T^{2} \)
13 \( 1 + 0.429T + 13T^{2} \)
17 \( 1 - 2.09T + 17T^{2} \)
19 \( 1 + 1.64T + 19T^{2} \)
23 \( 1 + 1.54T + 23T^{2} \)
29 \( 1 + 9.19T + 29T^{2} \)
37 \( 1 + 2.42T + 37T^{2} \)
41 \( 1 - 8.66T + 41T^{2} \)
43 \( 1 - 8.50T + 43T^{2} \)
47 \( 1 + 4.95T + 47T^{2} \)
53 \( 1 - 12.2T + 53T^{2} \)
59 \( 1 + 2.33T + 59T^{2} \)
61 \( 1 - 11.7T + 61T^{2} \)
67 \( 1 - 5.72T + 67T^{2} \)
71 \( 1 - 9.07T + 71T^{2} \)
73 \( 1 - 1.68T + 73T^{2} \)
79 \( 1 + 10.8T + 79T^{2} \)
83 \( 1 - 2.99T + 83T^{2} \)
89 \( 1 - 2.21T + 89T^{2} \)
97 \( 1 - 11.7T + 97T^{2} \)
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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

−7.919001320582276528501725322160, −7.28972965959908670474128361564, −6.56874060858090548039812010266, −5.77311169975145517112477719627, −5.10252659909510693796327093686, −4.07446507061839358857193077352, −3.79565110362366607696997039944, −2.51835581338761973358941057370, −1.80580433469136978331845073867, −1.04305229093114937405595290748, 1.04305229093114937405595290748, 1.80580433469136978331845073867, 2.51835581338761973358941057370, 3.79565110362366607696997039944, 4.07446507061839358857193077352, 5.10252659909510693796327093686, 5.77311169975145517112477719627, 6.56874060858090548039812010266, 7.28972965959908670474128361564, 7.919001320582276528501725322160

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