Properties

Label 2-2240-280.139-c1-0-70
Degree $2$
Conductor $2240$
Sign $0.489 + 0.871i$
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  + 1.56·3-s + (−2 − i)5-s + (2 − 1.73i)7-s − 0.561·9-s + 6.16·11-s − 3.56i·13-s + (−3.12 − 1.56i)15-s − 2.70·17-s + 7.12i·19-s + (3.12 − 2.70i)21-s + 7.12·23-s + (3 + 4i)25-s − 5.56·27-s − 2.70i·29-s + 5.40·31-s + ⋯
L(s)  = 1  + 0.901·3-s + (−0.894 − 0.447i)5-s + (0.755 − 0.654i)7-s − 0.187·9-s + 1.85·11-s − 0.987i·13-s + (−0.806 − 0.403i)15-s − 0.655·17-s + 1.63i·19-s + (0.681 − 0.590i)21-s + 1.48·23-s + (0.600 + 0.800i)25-s − 1.07·27-s − 0.502i·29-s + 0.971·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.489 + 0.871i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.489 + 0.871i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $0.489 + 0.871i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (1119, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ 0.489 + 0.871i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.355852205\)
\(L(\frac12)\) \(\approx\) \(2.355852205\)
\(L(\frac{3}{2})\) 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 \( 1 + (2 + i)T \)
7 \( 1 + (-2 + 1.73i)T \)
good3 \( 1 - 1.56T + 3T^{2} \)
11 \( 1 - 6.16T + 11T^{2} \)
13 \( 1 + 3.56iT - 13T^{2} \)
17 \( 1 + 2.70T + 17T^{2} \)
19 \( 1 - 7.12iT - 19T^{2} \)
23 \( 1 - 7.12T + 23T^{2} \)
29 \( 1 + 2.70iT - 29T^{2} \)
31 \( 1 - 5.40T + 31T^{2} \)
37 \( 1 + 5.40T + 37T^{2} \)
41 \( 1 + 5.40iT - 41T^{2} \)
43 \( 1 + 12.3iT - 43T^{2} \)
47 \( 1 + 6.16iT - 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 - 4iT - 59T^{2} \)
61 \( 1 + 7.12T + 61T^{2} \)
67 \( 1 + 6.92iT - 67T^{2} \)
71 \( 1 - 2.24iT - 71T^{2} \)
73 \( 1 - 6.92T + 73T^{2} \)
79 \( 1 + 4.68iT - 79T^{2} \)
83 \( 1 - 4T + 83T^{2} \)
89 \( 1 - 5.40iT - 89T^{2} \)
97 \( 1 - 16.5T + 97T^{2} \)
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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

−8.641500761240700078194633642198, −8.350156452006213568796873976081, −7.50492304756792591767272338984, −6.85343325517280472599693166027, −5.68150773444847940738289131378, −4.67567226295917019372382187684, −3.78219246710198752725632890346, −3.42652389102651499912680496947, −1.90104758115410901003272714907, −0.821855632193230530375970708790, 1.33197582917163382497346347933, 2.56419545049002654765519262348, 3.25703917928437174134049074024, 4.33908001293894669953438858107, 4.82329716037106567272512506753, 6.41345940834730954386675104829, 6.80661949469646646600187100520, 7.72246687516331026103701952416, 8.618585236501486904419779943642, 9.003023146230847039226651893557

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