Properties

Label 2-2240-28.27-c1-0-9
Degree $2$
Conductor $2240$
Sign $0.120 - 0.992i$
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  − 2.58·3-s + i·5-s + (0.319 − 2.62i)7-s + 3.66·9-s − 0.0961i·11-s + 2.44i·13-s − 2.58i·15-s + 2.17i·17-s − 2.11·19-s + (−0.823 + 6.77i)21-s − 2.75i·23-s − 25-s − 1.70·27-s − 6.89·29-s − 2.00·31-s + ⋯
L(s)  = 1  − 1.49·3-s + 0.447i·5-s + (0.120 − 0.992i)7-s + 1.22·9-s − 0.0290i·11-s + 0.676i·13-s − 0.666i·15-s + 0.527i·17-s − 0.484·19-s + (−0.179 + 1.47i)21-s − 0.573i·23-s − 0.200·25-s − 0.328·27-s − 1.28·29-s − 0.360·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.120 - 0.992i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.120 - 0.992i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $0.120 - 0.992i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (1791, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ 0.120 - 0.992i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6142888377\)
\(L(\frac12)\) \(\approx\) \(0.6142888377\)
\(L(\frac{3}{2})\) 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 \( 1 - iT \)
7 \( 1 + (-0.319 + 2.62i)T \)
good3 \( 1 + 2.58T + 3T^{2} \)
11 \( 1 + 0.0961iT - 11T^{2} \)
13 \( 1 - 2.44iT - 13T^{2} \)
17 \( 1 - 2.17iT - 17T^{2} \)
19 \( 1 + 2.11T + 19T^{2} \)
23 \( 1 + 2.75iT - 23T^{2} \)
29 \( 1 + 6.89T + 29T^{2} \)
31 \( 1 + 2.00T + 31T^{2} \)
37 \( 1 - 3.95T + 37T^{2} \)
41 \( 1 + 6.44iT - 41T^{2} \)
43 \( 1 + 6.88iT - 43T^{2} \)
47 \( 1 - 12.4T + 47T^{2} \)
53 \( 1 - 13.6T + 53T^{2} \)
59 \( 1 + 11.2T + 59T^{2} \)
61 \( 1 - 8.32iT - 61T^{2} \)
67 \( 1 + 0.286iT - 67T^{2} \)
71 \( 1 - 12.7iT - 71T^{2} \)
73 \( 1 - 4.38iT - 73T^{2} \)
79 \( 1 - 9.94iT - 79T^{2} \)
83 \( 1 + 9.06T + 83T^{2} \)
89 \( 1 - 4.14iT - 89T^{2} \)
97 \( 1 - 16.3iT - 97T^{2} \)
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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

−9.358851772214067354081253359365, −8.399498220030325406928403940633, −7.16099274349798500644874303252, −7.03256736156309087804963594784, −5.99907354589910813960581997032, −5.46178029596789051836557578554, −4.29648457940016911790346374093, −3.88606495857752011187933554050, −2.23648687447358413106497851463, −0.928765966831237855600611678153, 0.33580417947727745552800865030, 1.66468999862703774334859672078, 2.95477795985398191205647861107, 4.30834654789585089130000841654, 5.08615951446410362737374559698, 5.73381987731290307418077535327, 6.14807336263308135658728030506, 7.24806241685483685710974074574, 8.010094332582780122514804723868, 9.007318474985335579766366997193

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