Properties

Degree 2
Conductor $ 2^{6} \cdot 5 $
Sign $0.410 + 0.911i$
Motivic weight 5
Primitive yes
Self-dual no
Analytic rank 0

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4.76·3-s + (−43.2 + 35.3i)5-s + 82.4i·7-s − 220.·9-s + 109. i·11-s − 621.·13-s + (−206. + 168. i)15-s − 503. i·17-s − 853. i·19-s + 392. i·21-s + 1.42e3i·23-s + (621. − 3.06e3i)25-s − 2.20e3·27-s + 275. i·29-s + 6.20e3·31-s + ⋯
L(s)  = 1  + 0.305·3-s + (−0.774 + 0.632i)5-s + 0.635i·7-s − 0.906·9-s + 0.272i·11-s − 1.02·13-s + (−0.236 + 0.193i)15-s − 0.422i·17-s − 0.542i·19-s + 0.194i·21-s + 0.561i·23-s + (0.198 − 0.980i)25-s − 0.583·27-s + 0.0607i·29-s + 1.16·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.410 + 0.911i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.410 + 0.911i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

\( d \)  =  \(2\)
\( N \)  =  \(320\)    =    \(2^{6} \cdot 5\)
\( \varepsilon \)  =  $0.410 + 0.911i$
motivic weight  =  \(5\)
character  :  $\chi_{320} (289, \cdot )$
primitive  :  yes
self-dual  :  no
analytic rank  =  \(0\)
Selberg data  =  \((2,\ 320,\ (\ :5/2),\ 0.410 + 0.911i)\)
\(L(3)\)  \(\approx\)  \(0.8317471145\)
\(L(\frac12)\)  \(\approx\)  \(0.8317471145\)
\(L(\frac{7}{2})\)   not available
\(L(1)\)   not available

Euler product

\[L(s) = \prod_{p \text{ prime}} F_p(p^{-s})^{-1} \]where, for $p \notin \{2,\;5\}$,\(F_p(T)\) is a polynomial of degree 2. If $p \in \{2,\;5\}$, then $F_p(T)$ is a polynomial of degree at most 1.
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + (43.2 - 35.3i)T \)
good3 \( 1 - 4.76T + 243T^{2} \)
7 \( 1 - 82.4iT - 1.68e4T^{2} \)
11 \( 1 - 109. iT - 1.61e5T^{2} \)
13 \( 1 + 621.T + 3.71e5T^{2} \)
17 \( 1 + 503. iT - 1.41e6T^{2} \)
19 \( 1 + 853. iT - 2.47e6T^{2} \)
23 \( 1 - 1.42e3iT - 6.43e6T^{2} \)
29 \( 1 - 275. iT - 2.05e7T^{2} \)
31 \( 1 - 6.20e3T + 2.86e7T^{2} \)
37 \( 1 - 3.66e3T + 6.93e7T^{2} \)
41 \( 1 + 1.26e3T + 1.15e8T^{2} \)
43 \( 1 - 7.49e3T + 1.47e8T^{2} \)
47 \( 1 + 1.58e4iT - 2.29e8T^{2} \)
53 \( 1 - 1.00e4T + 4.18e8T^{2} \)
59 \( 1 + 2.79e4iT - 7.14e8T^{2} \)
61 \( 1 - 3.99e4iT - 8.44e8T^{2} \)
67 \( 1 + 6.65e4T + 1.35e9T^{2} \)
71 \( 1 - 3.27e4T + 1.80e9T^{2} \)
73 \( 1 + 7.15e4iT - 2.07e9T^{2} \)
79 \( 1 - 2.07e4T + 3.07e9T^{2} \)
83 \( 1 + 1.08e5T + 3.93e9T^{2} \)
89 \( 1 - 8.48e4T + 5.58e9T^{2} \)
97 \( 1 + 3.83e4iT - 8.58e9T^{2} \)
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\[\begin{aligned}L(s) = \prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\end{aligned}\]

Imaginary part of the first few zeros on the critical line

−10.70708679666769537371488790421, −9.619784903055717024059454042215, −8.697674037436716024870498521620, −7.76479848159990232515489392879, −6.91425057781946432598710465966, −5.67571787161526260539814362832, −4.51371958169012619108178474632, −3.11090135957501315692376460854, −2.38096702905881751419844183114, −0.26141340778056757884837396816, 0.904390693821309250608243594816, 2.62965338759717513037969956843, 3.85240049899686257682067042808, 4.81470416087910365768587783957, 6.04353082346303996744839194673, 7.39634658161716564044081197508, 8.130410179567175502233046056384, 8.925184886459501866547816499479, 10.02220788301168908409102961695, 11.03901517116379956902351828716

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