Properties

Label 2-1560-5.4-c1-0-26
Degree $2$
Conductor $1560$
Sign $0.265 + 0.964i$
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 + (2.15 − 0.594i)5-s + 0.633i·7-s − 9-s − 0.177·11-s + i·13-s + (−0.594 − 2.15i)15-s − 4.48i·17-s + 0.633·21-s − 6.48i·23-s + (4.29 − 2.56i)25-s + i·27-s + 3.49·29-s + 0.177i·33-s + (0.376 + 1.36i)35-s + ⋯
L(s)  = 1  − 0.577i·3-s + (0.964 − 0.265i)5-s + 0.239i·7-s − 0.333·9-s − 0.0536·11-s + 0.277i·13-s + (−0.153 − 0.556i)15-s − 1.08i·17-s + 0.138·21-s − 1.35i·23-s + (0.858 − 0.512i)25-s + 0.192i·27-s + 0.649·29-s + 0.0309i·33-s + (0.0636 + 0.230i)35-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.265 + 0.964i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.265 + 0.964i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1560\)    =    \(2^{3} \cdot 3 \cdot 5 \cdot 13\)
Sign: $0.265 + 0.964i$
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: \((2,\ 1560,\ (\ :1/2),\ 0.265 + 0.964i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.939380779\)
\(L(\frac12)\) \(\approx\) \(1.939380779\)
\(L(\frac{3}{2})\) 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 \( 1 + (-2.15 + 0.594i)T \)
13 \( 1 - iT \)
good7 \( 1 - 0.633iT - 7T^{2} \)
11 \( 1 + 0.177T + 11T^{2} \)
17 \( 1 + 4.48iT - 17T^{2} \)
19 \( 1 + 19T^{2} \)
23 \( 1 + 6.48iT - 23T^{2} \)
29 \( 1 - 3.49T + 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 + 1.75iT - 37T^{2} \)
41 \( 1 - 7.67T + 41T^{2} \)
43 \( 1 + 7.49iT - 43T^{2} \)
47 \( 1 - 3.18iT - 47T^{2} \)
53 \( 1 + 1.75iT - 53T^{2} \)
59 \( 1 + 3.93T + 59T^{2} \)
61 \( 1 - 3.01T + 61T^{2} \)
67 \( 1 - 1.62iT - 67T^{2} \)
71 \( 1 + 4.41T + 71T^{2} \)
73 \( 1 + 3.85iT - 73T^{2} \)
79 \( 1 + 9.63T + 79T^{2} \)
83 \( 1 + 1.72iT - 83T^{2} \)
89 \( 1 - 0.589T + 89T^{2} \)
97 \( 1 - 4.45iT - 97T^{2} \)
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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

−9.101025415288334076923246789041, −8.679691292675743622681983998858, −7.59754695930764970202729453684, −6.78023078848749131610140321851, −6.06870684733504609194791227539, −5.25459817319717347355018461694, −4.37782968954208533076445685167, −2.83842997439589926606777093322, −2.13812488778736864777687877639, −0.809061225040323970689081230590, 1.39365694010627929299672744409, 2.63943284682568153504071305274, 3.61320470501628728395107048276, 4.61549318511311562969175021557, 5.61966278316443831940758976743, 6.14102467561908513657094846516, 7.16742386198199297737769347541, 8.088290922271714578778787818756, 8.977595750834322779508845025698, 9.692427311840901962786848361521

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