Properties

Label 2-2240-56.27-c1-0-40
Degree $2$
Conductor $2240$
Sign $0.0716 + 0.997i$
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

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

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $0.0716 + 0.997i$
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: \((2,\ 2240,\ (\ :1/2),\ 0.0716 + 0.997i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.452828859\)
\(L(\frac12)\) \(\approx\) \(1.452828859\)
\(L(\frac{3}{2})\) 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

−8.841000157553617884602501693096, −8.039913567405794342920301803144, −7.23381743672276428264402342361, −6.59785326360564507107211078629, −5.65489848596982778514886741454, −5.13266520978742060342733363730, −3.88791233560929109298455440758, −2.64757529371516388409776438228, −2.14200426539424490131240110686, −0.53844007915995601454196239166, 1.18744683661151100937232727541, 2.59378659542787943891821898824, 3.50877788849952376035444208309, 4.40079957013832487509431369616, 5.16489170313982877004621355497, 6.07793787880874468408217800109, 6.88141901062599380008203926700, 7.70162974795552409214636140933, 8.418557479524906328547120029206, 9.472526967871502125370385007777

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