Properties

Label 2-1560-5.4-c1-0-19
Degree $2$
Conductor $1560$
Sign $0.621 + 0.783i$
Analytic cond. $12.4566$
Root an. cond. $3.52939$
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 + (−1.75 + 1.38i)5-s − 9-s + 1.50·11-s i·13-s + (1.38 + 1.75i)15-s − 2.72i·17-s − 0.726·19-s + 4.72i·23-s + (1.14 − 4.86i)25-s + i·27-s + 7.55·29-s − 3.00·31-s − 1.50i·33-s − 5.00i·37-s + ⋯
L(s)  = 1  − 0.577i·3-s + (−0.783 + 0.621i)5-s − 0.333·9-s + 0.453·11-s − 0.277i·13-s + (0.358 + 0.452i)15-s − 0.661i·17-s − 0.166·19-s + 0.985i·23-s + (0.228 − 0.973i)25-s + 0.192i·27-s + 1.40·29-s − 0.540·31-s − 0.261i·33-s − 0.823i·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.621 + 0.783i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.621 + 0.783i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1560\)    =    \(2^{3} \cdot 3 \cdot 5 \cdot 13\)
Sign: $0.621 + 0.783i$
Analytic conductor: \(12.4566\)
Root analytic conductor: \(3.52939\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1560} (1249, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1560,\ (\ :1/2),\ 0.621 + 0.783i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.341494545\)
\(L(\frac12)\) \(\approx\) \(1.341494545\)
\(L(\frac{3}{2})\) 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 \( 1 + (1.75 - 1.38i)T \)
13 \( 1 + iT \)
good7 \( 1 - 7T^{2} \)
11 \( 1 - 1.50T + 11T^{2} \)
17 \( 1 + 2.72iT - 17T^{2} \)
19 \( 1 + 0.726T + 19T^{2} \)
23 \( 1 - 4.72iT - 23T^{2} \)
29 \( 1 - 7.55T + 29T^{2} \)
31 \( 1 + 3.00T + 31T^{2} \)
37 \( 1 + 5.00iT - 37T^{2} \)
41 \( 1 - 5.78T + 41T^{2} \)
43 \( 1 + 2.72iT - 43T^{2} \)
47 \( 1 + 10.2iT - 47T^{2} \)
53 \( 1 - 7.55iT - 53T^{2} \)
59 \( 1 - 12.5T + 59T^{2} \)
61 \( 1 - 6.28T + 61T^{2} \)
67 \( 1 + 12.5iT - 67T^{2} \)
71 \( 1 - 4.77T + 71T^{2} \)
73 \( 1 + 12.0iT - 73T^{2} \)
79 \( 1 + 5.27T + 79T^{2} \)
83 \( 1 + 7.78iT - 83T^{2} \)
89 \( 1 + 1.78T + 89T^{2} \)
97 \( 1 + 6iT - 97T^{2} \)
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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

−9.192065201062430856056753813061, −8.436693432652361115141152991773, −7.54117328949581074182351928452, −7.08525839282254982372441470937, −6.23384760064478230719889467819, −5.26525440344810809138777868042, −4.10730708062395728568942631491, −3.25242509453202029788493913655, −2.22509669275629148811609855287, −0.67100685482534905698289186302, 1.02576401867867564325747385002, 2.62788764105150553599212179629, 3.87403364941065329325446591857, 4.36223527195295732273681589980, 5.26696690886148509486899115733, 6.30550584023024407782859623276, 7.15077712551556995085925016431, 8.330674430023863386139069887098, 8.555382327827838305792906697918, 9.529483734734021801915179388985

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