Properties

Label 2-2240-56.27-c1-0-6
Degree $2$
Conductor $2240$
Sign $-0.997 - 0.0716i$
Analytic cond. $17.8864$
Root an. cond. $4.22924$
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 − 5-s + (1.73 + 2i)7-s + 2·9-s − 5.19·11-s − 13-s i·15-s + 1.73i·17-s + 2i·19-s + (−2 + 1.73i)21-s + 25-s + 5i·27-s − 1.73i·29-s − 3.46·31-s − 5.19i·33-s + ⋯
L(s)  = 1  + 0.577i·3-s − 0.447·5-s + (0.654 + 0.755i)7-s + 0.666·9-s − 1.56·11-s − 0.277·13-s − 0.258i·15-s + 0.420i·17-s + 0.458i·19-s + (−0.436 + 0.377i)21-s + 0.200·25-s + 0.962i·27-s − 0.321i·29-s − 0.622·31-s − 0.904i·33-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.997 - 0.0716i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.997 - 0.0716i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.997 - 0.0716i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (671, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ -0.997 - 0.0716i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7630540298\)
\(L(\frac12)\) \(\approx\) \(0.7630540298\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + T \)
7 \( 1 + (-1.73 - 2i)T \)
good3 \( 1 - iT - 3T^{2} \)
11 \( 1 + 5.19T + 11T^{2} \)
13 \( 1 + T + 13T^{2} \)
17 \( 1 - 1.73iT - 17T^{2} \)
19 \( 1 - 2iT - 19T^{2} \)
23 \( 1 - 23T^{2} \)
29 \( 1 + 1.73iT - 29T^{2} \)
31 \( 1 + 3.46T + 31T^{2} \)
37 \( 1 + 6.92iT - 37T^{2} \)
41 \( 1 - 10.3iT - 41T^{2} \)
43 \( 1 + 3.46T + 43T^{2} \)
47 \( 1 + 12.1T + 47T^{2} \)
53 \( 1 + 3.46iT - 53T^{2} \)
59 \( 1 - 6iT - 59T^{2} \)
61 \( 1 + 8T + 61T^{2} \)
67 \( 1 - 10.3T + 67T^{2} \)
71 \( 1 - 71T^{2} \)
73 \( 1 + 6.92iT - 73T^{2} \)
79 \( 1 - iT - 79T^{2} \)
83 \( 1 - 12iT - 83T^{2} \)
89 \( 1 + 6.92iT - 89T^{2} \)
97 \( 1 + 8.66iT - 97T^{2} \)
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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

−9.534307423831370359945232687332, −8.505808707624431138472033960724, −7.949905056115618222239845943481, −7.32712882661550949329331085280, −6.15798440911571505444892562878, −5.20783487621310378211689802801, −4.76367603029502153312594453892, −3.77378442789939393309484733500, −2.74811780539562572962338969934, −1.68820224036392088816101582833, 0.25539979652445907071838766441, 1.54680270585213125388423708404, 2.62907537950430314082703768913, 3.74754499604819816080202944143, 4.79162632323330387760359274967, 5.22843328812613373151057911881, 6.62353254473717512154210860343, 7.22564702038750294341780081951, 7.83075261238603487709329810340, 8.310154399297307237021366203934

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