Properties

Label 2-2240-28.27-c1-0-50
Degree $2$
Conductor $2240$
Sign $0.176 + 0.984i$
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  + 0.936·3-s i·5-s + (2.60 − 0.468i)7-s − 2.12·9-s + 2.39i·11-s − 2i·13-s − 0.936i·15-s − 7.12i·17-s + 2.39·19-s + (2.43 − 0.438i)21-s − 5.73i·23-s − 25-s − 4.79·27-s + 2·29-s − 6.67·31-s + ⋯
L(s)  = 1  + 0.540·3-s − 0.447i·5-s + (0.984 − 0.176i)7-s − 0.707·9-s + 0.723i·11-s − 0.554i·13-s − 0.241i·15-s − 1.72i·17-s + 0.550·19-s + (0.532 − 0.0956i)21-s − 1.19i·23-s − 0.200·25-s − 0.923·27-s + 0.371·29-s − 1.19·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.176 + 0.984i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.176 + 0.984i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $0.176 + 0.984i$
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: \((2,\ 2240,\ (\ :1/2),\ 0.176 + 0.984i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.014987560\)
\(L(\frac12)\) \(\approx\) \(2.014987560\)
\(L(\frac{3}{2})\) 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 \( 1 + (-2.60 + 0.468i)T \)
good3 \( 1 - 0.936T + 3T^{2} \)
11 \( 1 - 2.39iT - 11T^{2} \)
13 \( 1 + 2iT - 13T^{2} \)
17 \( 1 + 7.12iT - 17T^{2} \)
19 \( 1 - 2.39T + 19T^{2} \)
23 \( 1 + 5.73iT - 23T^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 + 6.67T + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 - 7.12iT - 41T^{2} \)
43 \( 1 + 7.60iT - 43T^{2} \)
47 \( 1 - 10.0T + 47T^{2} \)
53 \( 1 + 2T + 53T^{2} \)
59 \( 1 - 10.9T + 59T^{2} \)
61 \( 1 + 2iT - 61T^{2} \)
67 \( 1 + 14.2iT - 67T^{2} \)
71 \( 1 + 6.14iT - 71T^{2} \)
73 \( 1 + 9.36iT - 73T^{2} \)
79 \( 1 - 4.27iT - 79T^{2} \)
83 \( 1 - 0.936T + 83T^{2} \)
89 \( 1 - 12iT - 89T^{2} \)
97 \( 1 - 7.12iT - 97T^{2} \)
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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

−8.947494271378196166717441324645, −8.010487836812149222238130355418, −7.59083287521610577429648028513, −6.67837137559153672129491955185, −5.34598066798388730697975242772, −5.03478066301450906124919744646, −4.00223197526663494967005825920, −2.87323268773115603182658723468, −2.05510125885666237789316120808, −0.65026121636732610196920183241, 1.46573518066035793925626668171, 2.40938064840738184691841860154, 3.47272421971942313459534166513, 4.12949656069635031972357136487, 5.54368812354757254127603521792, 5.80771057889085731202292215801, 7.05602600654775154552960953941, 7.77402662119586630173749776450, 8.552500988632049997958039005873, 8.892376486306455043004763020961

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