Properties

Label 2-43-43.26-c2-0-3
Degree $2$
Conductor $43$
Sign $0.997 + 0.0742i$
Analytic cond. $1.17166$
Root an. cond. $1.08243$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (2.50 − 0.571i)2-s + (0.445 + 1.44i)3-s + (2.33 − 1.12i)4-s + (−3.49 − 1.37i)5-s + (1.93 + 3.35i)6-s + (−3.35 − 1.93i)7-s + (−2.82 + 2.25i)8-s + (5.55 − 3.78i)9-s + (−9.53 − 1.43i)10-s + (−2.36 − 1.14i)11-s + (2.66 + 2.86i)12-s + (4.94 − 0.745i)13-s + (−9.50 − 2.93i)14-s + (0.424 − 5.66i)15-s + (−12.2 + 15.3i)16-s + (8.80 + 22.4i)17-s + ⋯
L(s)  = 1  + (1.25 − 0.285i)2-s + (0.148 + 0.481i)3-s + (0.583 − 0.281i)4-s + (−0.699 − 0.274i)5-s + (0.323 + 0.559i)6-s + (−0.479 − 0.276i)7-s + (−0.353 + 0.281i)8-s + (0.616 − 0.420i)9-s + (−0.953 − 0.143i)10-s + (−0.215 − 0.103i)11-s + (0.221 + 0.239i)12-s + (0.380 − 0.0573i)13-s + (−0.679 − 0.209i)14-s + (0.0282 − 0.377i)15-s + (−0.765 + 0.960i)16-s + (0.517 + 1.31i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 43 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.997 + 0.0742i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 43 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.997 + 0.0742i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(43\)
Sign: $0.997 + 0.0742i$
Analytic conductor: \(1.17166\)
Root analytic conductor: \(1.08243\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{43} (26, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 43,\ (\ :1),\ 0.997 + 0.0742i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.71480 - 0.0637238i\)
\(L(\frac12)\) \(\approx\) \(1.71480 - 0.0637238i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad43 \( 1 + (41.1 + 12.6i)T \)
good2 \( 1 + (-2.50 + 0.571i)T + (3.60 - 1.73i)T^{2} \)
3 \( 1 + (-0.445 - 1.44i)T + (-7.43 + 5.06i)T^{2} \)
5 \( 1 + (3.49 + 1.37i)T + (18.3 + 17.0i)T^{2} \)
7 \( 1 + (3.35 + 1.93i)T + (24.5 + 42.4i)T^{2} \)
11 \( 1 + (2.36 + 1.14i)T + (75.4 + 94.6i)T^{2} \)
13 \( 1 + (-4.94 + 0.745i)T + (161. - 49.8i)T^{2} \)
17 \( 1 + (-8.80 - 22.4i)T + (-211. + 196. i)T^{2} \)
19 \( 1 + (-3.29 + 4.83i)T + (-131. - 336. i)T^{2} \)
23 \( 1 + (0.176 + 2.35i)T + (-523. + 78.8i)T^{2} \)
29 \( 1 + (-9.16 + 29.7i)T + (-694. - 473. i)T^{2} \)
31 \( 1 + (4.20 - 3.89i)T + (71.8 - 958. i)T^{2} \)
37 \( 1 + (-59.7 + 34.4i)T + (684.5 - 1.18e3i)T^{2} \)
41 \( 1 + (-7.95 - 34.8i)T + (-1.51e3 + 729. i)T^{2} \)
47 \( 1 + (68.9 - 33.2i)T + (1.37e3 - 1.72e3i)T^{2} \)
53 \( 1 + (65.3 + 9.85i)T + (2.68e3 + 827. i)T^{2} \)
59 \( 1 + (60.3 - 75.7i)T + (-774. - 3.39e3i)T^{2} \)
61 \( 1 + (-42.8 + 46.2i)T + (-278. - 3.71e3i)T^{2} \)
67 \( 1 + (-101. - 69.2i)T + (1.64e3 + 4.17e3i)T^{2} \)
71 \( 1 + (28.8 + 2.16i)T + (4.98e3 + 751. i)T^{2} \)
73 \( 1 + (1.83 + 12.1i)T + (-5.09e3 + 1.57e3i)T^{2} \)
79 \( 1 + (2.10 - 3.63i)T + (-3.12e3 - 5.40e3i)T^{2} \)
83 \( 1 + (-43.1 + 13.3i)T + (5.69e3 - 3.88e3i)T^{2} \)
89 \( 1 + (-28.8 - 93.5i)T + (-6.54e3 + 4.46e3i)T^{2} \)
97 \( 1 + (-16.5 - 7.96i)T + (5.86e3 + 7.35e3i)T^{2} \)
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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

−15.45147908843368717424829616285, −14.59435677351399903859724166463, −13.20298149020851926579087660039, −12.50037191438197319466688135963, −11.26399124458879303885577541023, −9.807751210780688110446735805481, −8.186009463458691542036325591744, −6.21712282316291985404103224253, −4.45248286675681487811632721212, −3.50031770876672061637377898146, 3.26357156522789707404691387043, 4.92380598620503342068540138386, 6.56986381317542797360108165412, 7.73244096450007893103629013655, 9.659505029759550863500439370753, 11.49164457979783366445023936183, 12.56963644724530058400795557991, 13.42273582223027846658203199867, 14.44358412762223922234827069133, 15.62842770631954924905555353515

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