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Properties

Label 2-273-91.23-c1-0-9
Degree $2$
Conductor $273$
Sign $-0.190 + 0.981i$
Analytic cond. $2.17991$
Root an. cond. $1.47645$
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  − 2.18i·2-s + (−0.5 + 0.866i)3-s − 2.79·4-s + (1.5 + 0.866i)5-s + (1.89 + 1.09i)6-s + (2.29 − 1.32i)7-s + 1.73i·8-s + (−0.499 − 0.866i)9-s + (1.89 − 3.28i)10-s + (3 + 1.73i)11-s + (1.39 − 2.41i)12-s + (−1 − 3.46i)13-s + (−2.89 − 5.01i)14-s + (−1.5 + 0.866i)15-s − 1.79·16-s + 17-s + ⋯
L(s)  = 1  − 1.54i·2-s + (−0.288 + 0.499i)3-s − 1.39·4-s + (0.670 + 0.387i)5-s + (0.773 + 0.446i)6-s + (0.866 − 0.499i)7-s + 0.612i·8-s + (−0.166 − 0.288i)9-s + (0.599 − 1.03i)10-s + (0.904 + 0.522i)11-s + (0.402 − 0.697i)12-s + (−0.277 − 0.960i)13-s + (−0.773 − 1.34i)14-s + (−0.387 + 0.223i)15-s − 0.447·16-s + 0.242·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 273 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.190 + 0.981i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 273 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.190 + 0.981i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(273\)    =    \(3 \cdot 7 \cdot 13\)
Sign: $-0.190 + 0.981i$
Analytic conductor: \(2.17991\)
Root analytic conductor: \(1.47645\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{273} (205, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 273,\ (\ :1/2),\ -0.190 + 0.981i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.856389 - 1.03891i\)
\(L(\frac12)\) \(\approx\) \(0.856389 - 1.03891i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (0.5 - 0.866i)T \)
7 \( 1 + (-2.29 + 1.32i)T \)
13 \( 1 + (1 + 3.46i)T \)
good2 \( 1 + 2.18iT - 2T^{2} \)
5 \( 1 + (-1.5 - 0.866i)T + (2.5 + 4.33i)T^{2} \)
11 \( 1 + (-3 - 1.73i)T + (5.5 + 9.52i)T^{2} \)
17 \( 1 - T + 17T^{2} \)
19 \( 1 + (-4.58 + 2.64i)T + (9.5 - 16.4i)T^{2} \)
23 \( 1 + 8.58T + 23T^{2} \)
29 \( 1 + (-3.5 - 6.06i)T + (-14.5 + 25.1i)T^{2} \)
31 \( 1 + (-5.29 + 3.05i)T + (15.5 - 26.8i)T^{2} \)
37 \( 1 - 7.02iT - 37T^{2} \)
41 \( 1 + (3.08 - 1.77i)T + (20.5 - 35.5i)T^{2} \)
43 \( 1 + (2.29 - 3.96i)T + (-21.5 - 37.2i)T^{2} \)
47 \( 1 + (0.708 + 0.409i)T + (23.5 + 40.7i)T^{2} \)
53 \( 1 + (-3.08 - 5.33i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + 4.28iT - 59T^{2} \)
61 \( 1 + (-2.58 - 4.47i)T + (-30.5 + 52.8i)T^{2} \)
67 \( 1 + (12.1 + 7.02i)T + (33.5 + 58.0i)T^{2} \)
71 \( 1 + (3.87 + 2.23i)T + (35.5 + 61.4i)T^{2} \)
73 \( 1 + (7.5 - 4.33i)T + (36.5 - 63.2i)T^{2} \)
79 \( 1 + (-0.708 + 1.22i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 - 3.46iT - 83T^{2} \)
89 \( 1 - 15.5iT - 89T^{2} \)
97 \( 1 + (-9.08 - 5.24i)T + (48.5 + 84.0i)T^{2} \)
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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

−11.79263172664726810954293366618, −10.50997557466781758900427363355, −10.15754269388081550539956313172, −9.364949525855615504629574911458, −7.993754811812645998905038465545, −6.53140877512309993709980259273, −5.07758507948274582718313293962, −4.09236626099804177488325026823, −2.80985969668751207015783675653, −1.34240877351784669010034578133, 1.80464224658450772115000481457, 4.37516699045673328076898474516, 5.59108342635783456532698815034, 6.06126600129002490748495954586, 7.19095565583651245279357358550, 8.155310854777589155121934069361, 8.901133125823709047214101167390, 9.912127258030561840379595741168, 11.66376689500565711884781646254, 11.99536359295265684483730653403

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