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Properties

Label 2-1456-1456.909-c0-0-2
Degree $2$
Conductor $1456$
Sign $-0.382 + 0.923i$
Analytic cond. $0.726638$
Root an. cond. $0.852431$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.707 − 0.707i)2-s + (−0.707 + 0.707i)3-s − 1.00i·4-s + (−1 + i)5-s + 1.00i·6-s − i·7-s + (−0.707 − 0.707i)8-s + 1.41i·10-s + (−0.707 − 0.707i)11-s + (0.707 + 0.707i)12-s + (0.707 − 0.707i)13-s + (−0.707 − 0.707i)14-s − 1.41i·15-s − 1.00·16-s − 1.41i·17-s + ⋯
L(s)  = 1  + (0.707 − 0.707i)2-s + (−0.707 + 0.707i)3-s − 1.00i·4-s + (−1 + i)5-s + 1.00i·6-s − i·7-s + (−0.707 − 0.707i)8-s + 1.41i·10-s + (−0.707 − 0.707i)11-s + (0.707 + 0.707i)12-s + (0.707 − 0.707i)13-s + (−0.707 − 0.707i)14-s − 1.41i·15-s − 1.00·16-s − 1.41i·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1456 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.382 + 0.923i)\, \overline{\Lambda}(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1456 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.382 + 0.923i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1456\)    =    \(2^{4} \cdot 7 \cdot 13\)
Sign: $-0.382 + 0.923i$
Analytic conductor: \(0.726638\)
Root analytic conductor: \(0.852431\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1456} (909, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1456,\ (\ :0),\ -0.382 + 0.923i)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.7890592420\)
\(L(\frac12)\) \(\approx\) \(0.7890592420\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.707 + 0.707i)T \)
7 \( 1 + iT \)
13 \( 1 + (-0.707 + 0.707i)T \)
good3 \( 1 + (0.707 - 0.707i)T - iT^{2} \)
5 \( 1 + (1 - i)T - iT^{2} \)
11 \( 1 + (0.707 + 0.707i)T + iT^{2} \)
17 \( 1 + 1.41iT - T^{2} \)
19 \( 1 + iT^{2} \)
23 \( 1 + iT - T^{2} \)
29 \( 1 + (-1 - i)T + iT^{2} \)
31 \( 1 - T + T^{2} \)
37 \( 1 + (0.707 + 0.707i)T + iT^{2} \)
41 \( 1 + iT - T^{2} \)
43 \( 1 + (-1 + i)T - iT^{2} \)
47 \( 1 + T + T^{2} \)
53 \( 1 + (1 - i)T - iT^{2} \)
59 \( 1 - iT^{2} \)
61 \( 1 + (0.707 - 0.707i)T - iT^{2} \)
67 \( 1 + (-0.707 + 0.707i)T - iT^{2} \)
71 \( 1 + 1.41T + T^{2} \)
73 \( 1 - iT - T^{2} \)
79 \( 1 + T + T^{2} \)
83 \( 1 + iT^{2} \)
89 \( 1 - T^{2} \)
97 \( 1 - T + T^{2} \)
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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

−10.11716102445525895854563186831, −8.759257739843060350389750661832, −7.67297846177491838291006247880, −6.91605712789739376676277710285, −5.97360798460685568625389508265, −5.02267249056191296493971616614, −4.34120533308604372983357958369, −3.41591936516935319321740697790, −2.78591345017731068737579395427, −0.56508178756482463732034248234, 1.67919921483582931035253844426, 3.25991110029800798839618645724, 4.38245514607728526009341643846, 4.96623218448603570197381179414, 6.06736521703972960673813628034, 6.38188017801757557007102402365, 7.57346368040739108606761630599, 8.190881282423323150431888080681, 8.720924885347871844592637361848, 9.773633757690820479333975304650

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