Properties

Label 2-2640-5.4-c1-0-52
Degree $2$
Conductor $2640$
Sign $-0.838 + 0.545i$
Analytic cond. $21.0805$
Root an. cond. $4.59135$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + i·3-s + (−1.21 − 1.87i)5-s − 4.68i·7-s − 9-s − 11-s − 4.91i·13-s + (1.87 − 1.21i)15-s + 2.37i·17-s + 8.05·19-s + 4.68·21-s − 2.20i·23-s + (−2.02 + 4.57i)25-s i·27-s − 0.589·29-s + 5.73·31-s + ⋯
L(s)  = 1  + 0.577i·3-s + (−0.545 − 0.838i)5-s − 1.76i·7-s − 0.333·9-s − 0.301·11-s − 1.36i·13-s + (0.483 − 0.314i)15-s + 0.576i·17-s + 1.84·19-s + 1.02·21-s − 0.459i·23-s + (−0.405 + 0.914i)25-s − 0.192i·27-s − 0.109·29-s + 1.02·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2640 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.838 + 0.545i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2640 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.838 + 0.545i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2640\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 11\)
Sign: $-0.838 + 0.545i$
Analytic conductor: \(21.0805\)
Root analytic conductor: \(4.59135\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2640} (529, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2640,\ (\ :1/2),\ -0.838 + 0.545i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.059545536\)
\(L(\frac12)\) \(\approx\) \(1.059545536\)
\(L(\frac{3}{2})\) 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 \( 1 - iT \)
5 \( 1 + (1.21 + 1.87i)T \)
11 \( 1 + T \)
good7 \( 1 + 4.68iT - 7T^{2} \)
13 \( 1 + 4.91iT - 13T^{2} \)
17 \( 1 - 2.37iT - 17T^{2} \)
19 \( 1 - 8.05T + 19T^{2} \)
23 \( 1 + 2.20iT - 23T^{2} \)
29 \( 1 + 0.589T + 29T^{2} \)
31 \( 1 - 5.73T + 31T^{2} \)
37 \( 1 - 3.31iT - 37T^{2} \)
41 \( 1 + 6.64T + 41T^{2} \)
43 \( 1 + 0.611iT - 43T^{2} \)
47 \( 1 + 8.03iT - 47T^{2} \)
53 \( 1 + 4.66iT - 53T^{2} \)
59 \( 1 + 11.0T + 59T^{2} \)
61 \( 1 + 11.7T + 61T^{2} \)
67 \( 1 + 13.5iT - 67T^{2} \)
71 \( 1 + 5.19T + 71T^{2} \)
73 \( 1 - 5.74iT - 73T^{2} \)
79 \( 1 - 2.15T + 79T^{2} \)
83 \( 1 + 7.81iT - 83T^{2} \)
89 \( 1 - 11.2T + 89T^{2} \)
97 \( 1 + 6.32iT - 97T^{2} \)
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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

−8.383827394268422636328722718673, −7.82644434516346674718331009526, −7.31753902293657003104730033349, −6.17928785188620915617932451109, −5.08500009604340796004289812870, −4.70369327614267719346726819771, −3.64613677656039660191607369986, −3.20944303465586944088511574156, −1.26945968088213244629777371608, −0.37527972889381623473186802309, 1.60286947902826677893943851124, 2.68784838613361197663546189559, 3.13775410748702553511156110670, 4.51016833104766243176973754050, 5.45899804796749875562727580558, 6.14466489309304495747507300397, 6.93241438585142250124768895333, 7.60979149414205184791802421246, 8.312642252164253599270468341468, 9.275859492141202729362838443630

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