Properties

Label 2-320-40.27-c1-0-9
Degree $2$
Conductor $320$
Sign $0.229 + 0.973i$
Analytic cond. $2.55521$
Root an. cond. $1.59850$
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 − 2i)5-s + (1 − i)7-s + i·9-s + 4·11-s + (−3 − 3i)13-s + (−3 − i)15-s + (−3 − 3i)17-s − 6i·19-s − 2i·21-s + (3 + 3i)23-s + (−3 + 4i)25-s + (4 + 4i)27-s + 2·29-s + 6i·31-s + ⋯
L(s)  = 1  + (0.577 − 0.577i)3-s + (−0.447 − 0.894i)5-s + (0.377 − 0.377i)7-s + 0.333i·9-s + 1.20·11-s + (−0.832 − 0.832i)13-s + (−0.774 − 0.258i)15-s + (−0.727 − 0.727i)17-s − 1.37i·19-s − 0.436i·21-s + (0.625 + 0.625i)23-s + (−0.600 + 0.800i)25-s + (0.769 + 0.769i)27-s + 0.371·29-s + 1.07i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.229 + 0.973i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.229 + 0.973i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(320\)    =    \(2^{6} \cdot 5\)
Sign: $0.229 + 0.973i$
Analytic conductor: \(2.55521\)
Root analytic conductor: \(1.59850\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{320} (287, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 320,\ (\ :1/2),\ 0.229 + 0.973i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.17676 - 0.931316i\)
\(L(\frac12)\) \(\approx\) \(1.17676 - 0.931316i\)
\(L(\frac{3}{2})\) 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 \( 1 + (1 + 2i)T \)
good3 \( 1 + (-1 + i)T - 3iT^{2} \)
7 \( 1 + (-1 + i)T - 7iT^{2} \)
11 \( 1 - 4T + 11T^{2} \)
13 \( 1 + (3 + 3i)T + 13iT^{2} \)
17 \( 1 + (3 + 3i)T + 17iT^{2} \)
19 \( 1 + 6iT - 19T^{2} \)
23 \( 1 + (-3 - 3i)T + 23iT^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 - 6iT - 31T^{2} \)
37 \( 1 + (3 - 3i)T - 37iT^{2} \)
41 \( 1 - 6T + 41T^{2} \)
43 \( 1 + (3 - 3i)T - 43iT^{2} \)
47 \( 1 + (-9 + 9i)T - 47iT^{2} \)
53 \( 1 + (-5 - 5i)T + 53iT^{2} \)
59 \( 1 - 10iT - 59T^{2} \)
61 \( 1 - 12iT - 61T^{2} \)
67 \( 1 + (9 + 9i)T + 67iT^{2} \)
71 \( 1 - 6iT - 71T^{2} \)
73 \( 1 + (-5 + 5i)T - 73iT^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 + (3 - 3i)T - 83iT^{2} \)
89 \( 1 - 89T^{2} \)
97 \( 1 + (7 + 7i)T + 97iT^{2} \)
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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

−11.61430812631216105871510866690, −10.59988447635737109397568659638, −9.173714116762044901093328545790, −8.699215331916632323856246555226, −7.52852954767173224025226745630, −7.00410605261467062306638326401, −5.21359479119464999923726927145, −4.38548362701850026288655848623, −2.78602271721816750954710911455, −1.14701040917596716806492373676, 2.23191198852958141835641901402, 3.67802525611135460159399783198, 4.36018674895597463202904052663, 6.14282944022681839691336982259, 6.96678563256221610647661711931, 8.194058849569125180362096735563, 9.080884202459432893602604602317, 9.872085441494781428469158973204, 10.90084021176686885646320573268, 11.81113829924476911159363322084

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