Properties

Label 2-42e2-28.27-c1-0-23
Degree $2$
Conductor $1764$
Sign $0.188 - 0.981i$
Analytic cond. $14.0856$
Root an. cond. $3.75308$
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  + (−1.22 − 0.707i)2-s + (0.999 + 1.73i)4-s + 2.82i·5-s − 2.82i·8-s + (2.00 − 3.46i)10-s − 5.65i·11-s + 5.19i·13-s + (−2.00 + 3.46i)16-s + 2.82i·17-s + 5·19-s + (−4.89 + 2.82i)20-s + (−4.00 + 6.92i)22-s + 2.82i·23-s − 3.00·25-s + (3.67 − 6.36i)26-s + ⋯
L(s)  = 1  + (−0.866 − 0.499i)2-s + (0.499 + 0.866i)4-s + 1.26i·5-s − 0.999i·8-s + (0.632 − 1.09i)10-s − 1.70i·11-s + 1.44i·13-s + (−0.500 + 0.866i)16-s + 0.685i·17-s + 1.14·19-s + (−1.09 + 0.632i)20-s + (−0.852 + 1.47i)22-s + 0.589i·23-s − 0.600·25-s + (0.720 − 1.24i)26-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1764 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.188 - 0.981i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1764 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.188 - 0.981i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1764\)    =    \(2^{2} \cdot 3^{2} \cdot 7^{2}\)
Sign: $0.188 - 0.981i$
Analytic conductor: \(14.0856\)
Root analytic conductor: \(3.75308\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1764} (1567, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1764,\ (\ :1/2),\ 0.188 - 0.981i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9726719180\)
\(L(\frac12)\) \(\approx\) \(0.9726719180\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.22 + 0.707i)T \)
3 \( 1 \)
7 \( 1 \)
good5 \( 1 - 2.82iT - 5T^{2} \)
11 \( 1 + 5.65iT - 11T^{2} \)
13 \( 1 - 5.19iT - 13T^{2} \)
17 \( 1 - 2.82iT - 17T^{2} \)
19 \( 1 - 5T + 19T^{2} \)
23 \( 1 - 2.82iT - 23T^{2} \)
29 \( 1 + 29T^{2} \)
31 \( 1 + T + 31T^{2} \)
37 \( 1 - 5T + 37T^{2} \)
41 \( 1 + 5.65iT - 41T^{2} \)
43 \( 1 - 5.19iT - 43T^{2} \)
47 \( 1 - 4.89T + 47T^{2} \)
53 \( 1 + 4.89T + 53T^{2} \)
59 \( 1 + 4.89T + 59T^{2} \)
61 \( 1 - 6.92iT - 61T^{2} \)
67 \( 1 - 8.66iT - 67T^{2} \)
71 \( 1 - 2.82iT - 71T^{2} \)
73 \( 1 + 1.73iT - 73T^{2} \)
79 \( 1 - 1.73iT - 79T^{2} \)
83 \( 1 + 14.6T + 83T^{2} \)
89 \( 1 - 11.3iT - 89T^{2} \)
97 \( 1 - 97T^{2} \)
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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

−9.444892262873631910073828592794, −8.833496543320452512136660544838, −7.944197220377311877898379598859, −7.19906401600566278905645563188, −6.48030074634034173275525992052, −5.74507713968766443827240559416, −4.05679103195680753470309289927, −3.32004293719380969234598330865, −2.54988680114651465770006326286, −1.25769634733280625088146229130, 0.54132136736487964541055395384, 1.61071536390437521291227571975, 2.85907663482740922216434955025, 4.56751673421086963884714765289, 5.08491924441494207484496255518, 5.86039875585906350672168207392, 7.03292499968141347750761143713, 7.66982798716928210953138224039, 8.268848752646218983229521013053, 9.211937502999426367356716833919

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