Properties

Label 2-40e2-20.3-c1-0-11
Degree $2$
Conductor $1600$
Sign $0.850 - 0.525i$
Analytic cond. $12.7760$
Root an. cond. $3.57436$
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 − i)3-s + (−1 − i)7-s + i·9-s + 6i·11-s + (−1 − i)13-s + (−1 + i)17-s + 4·19-s − 2·21-s + (5 − 5i)23-s + (4 + 4i)27-s + 8i·29-s + 2i·31-s + (6 + 6i)33-s + (−5 + 5i)37-s − 2·39-s + ⋯
L(s)  = 1  + (0.577 − 0.577i)3-s + (−0.377 − 0.377i)7-s + 0.333i·9-s + 1.80i·11-s + (−0.277 − 0.277i)13-s + (−0.242 + 0.242i)17-s + 0.917·19-s − 0.436·21-s + (1.04 − 1.04i)23-s + (0.769 + 0.769i)27-s + 1.48i·29-s + 0.359i·31-s + (1.04 + 1.04i)33-s + (−0.821 + 0.821i)37-s − 0.320·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.850 - 0.525i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.850 - 0.525i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $0.850 - 0.525i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (1343, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ 0.850 - 0.525i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.881964884\)
\(L(\frac12)\) \(\approx\) \(1.881964884\)
\(L(\frac{3}{2})\) 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 \( 1 \)
good3 \( 1 + (-1 + i)T - 3iT^{2} \)
7 \( 1 + (1 + i)T + 7iT^{2} \)
11 \( 1 - 6iT - 11T^{2} \)
13 \( 1 + (1 + i)T + 13iT^{2} \)
17 \( 1 + (1 - i)T - 17iT^{2} \)
19 \( 1 - 4T + 19T^{2} \)
23 \( 1 + (-5 + 5i)T - 23iT^{2} \)
29 \( 1 - 8iT - 29T^{2} \)
31 \( 1 - 2iT - 31T^{2} \)
37 \( 1 + (5 - 5i)T - 37iT^{2} \)
41 \( 1 - 6T + 41T^{2} \)
43 \( 1 + (3 - 3i)T - 43iT^{2} \)
47 \( 1 + (-7 - 7i)T + 47iT^{2} \)
53 \( 1 + (1 + i)T + 53iT^{2} \)
59 \( 1 - 4T + 59T^{2} \)
61 \( 1 + 2T + 61T^{2} \)
67 \( 1 + (-7 - 7i)T + 67iT^{2} \)
71 \( 1 + 6iT - 71T^{2} \)
73 \( 1 + (9 + 9i)T + 73iT^{2} \)
79 \( 1 - 8T + 79T^{2} \)
83 \( 1 + (-5 + 5i)T - 83iT^{2} \)
89 \( 1 - 89T^{2} \)
97 \( 1 + (-3 + 3i)T - 97iT^{2} \)
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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

−9.399138532315601929631861252584, −8.683378625186750792913895541591, −7.69670304685218610623931435606, −7.16307409618371448895878095344, −6.62869100103402877147323772212, −5.15604000074851863198251272913, −4.59793702833499293242457194665, −3.28253317423061125992855079629, −2.39312566231043210505475636148, −1.33689939001090117967721838301, 0.73496640570089924081057845686, 2.55911487843505104698930491476, 3.34403631815961901670637454084, 4.01837887188466131351765351014, 5.33786599831243196001657380320, 5.95393472857215121955830003603, 6.93727411485892768383615336976, 7.908526189653864853575777906300, 8.797798566465001675462334830021, 9.243072371392499420253651797293

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