Properties

 Label 2736.2.s.b Level $2736$ Weight $2$ Character orbit 2736.s Analytic conductor $21.847$ Analytic rank $0$ Dimension $2$ CM no Inner twists $2$

Related objects

Newspace parameters

 Level: $$N$$ $$=$$ $$2736 = 2^{4} \cdot 3^{2} \cdot 19$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 2736.s (of order $$3$$, degree $$2$$, not minimal)

Newform invariants

 Self dual: no Analytic conductor: $$21.8470699930$$ Analytic rank: $$0$$ Dimension: $$2$$ Coefficient field: $$\Q(\sqrt{-3})$$ Defining polynomial: $$x^{2} - x + 1$$ Coefficient ring: $$\Z[a_1, \ldots, a_{13}]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 684) Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-expansion

Coefficients of the $$q$$-expansion are expressed in terms of a primitive root of unity $$\zeta_{6}$$. We also show the integral $$q$$-expansion of the trace form.

 $$f(q)$$ $$=$$ $$q + ( -4 + 4 \zeta_{6} ) q^{5} + 3 q^{7} +O(q^{10})$$ $$q + ( -4 + 4 \zeta_{6} ) q^{5} + 3 q^{7} -4 q^{11} -5 \zeta_{6} q^{13} + ( 5 - 2 \zeta_{6} ) q^{19} + 4 \zeta_{6} q^{23} -11 \zeta_{6} q^{25} -8 \zeta_{6} q^{29} - q^{31} + ( -12 + 12 \zeta_{6} ) q^{35} -5 q^{37} + ( -8 + 8 \zeta_{6} ) q^{41} + ( -5 + 5 \zeta_{6} ) q^{43} -8 \zeta_{6} q^{47} + 2 q^{49} -4 \zeta_{6} q^{53} + ( 16 - 16 \zeta_{6} ) q^{55} + ( 12 - 12 \zeta_{6} ) q^{59} + \zeta_{6} q^{61} + 20 q^{65} + 3 \zeta_{6} q^{67} + ( 16 - 16 \zeta_{6} ) q^{71} + ( 15 - 15 \zeta_{6} ) q^{73} -12 q^{77} + ( -7 + 7 \zeta_{6} ) q^{79} + 12 \zeta_{6} q^{89} -15 \zeta_{6} q^{91} + ( -12 + 20 \zeta_{6} ) q^{95} + ( 2 - 2 \zeta_{6} ) q^{97} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2q - 4q^{5} + 6q^{7} + O(q^{10})$$ $$2q - 4q^{5} + 6q^{7} - 8q^{11} - 5q^{13} + 8q^{19} + 4q^{23} - 11q^{25} - 8q^{29} - 2q^{31} - 12q^{35} - 10q^{37} - 8q^{41} - 5q^{43} - 8q^{47} + 4q^{49} - 4q^{53} + 16q^{55} + 12q^{59} + q^{61} + 40q^{65} + 3q^{67} + 16q^{71} + 15q^{73} - 24q^{77} - 7q^{79} + 12q^{89} - 15q^{91} - 4q^{95} + 2q^{97} + O(q^{100})$$

Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/2736\mathbb{Z}\right)^\times$$.

 $$n$$ $$1009$$ $$1217$$ $$1711$$ $$2053$$ $$\chi(n)$$ $$-\zeta_{6}$$ $$1$$ $$1$$ $$1$$

Embeddings

For each embedding $$\iota_m$$ of the coefficient field, the values $$\iota_m(a_n)$$ are shown below.

For more information on an embedded modular form you can click on its label.

Label $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
577.1
 0.5 − 0.866025i 0.5 + 0.866025i
0 0 0 −2.00000 3.46410i 0 3.00000 0 0 0
1873.1 0 0 0 −2.00000 + 3.46410i 0 3.00000 0 0 0
 $$n$$: e.g. 2-40 or 990-1000 Significant digits: Format: Complex embeddings Normalized embeddings Satake parameters Satake angles

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
19.c even 3 1 inner

Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2736.2.s.b 2
3.b odd 2 1 2736.2.s.r 2
4.b odd 2 1 684.2.k.a 2
12.b even 2 1 684.2.k.e yes 2
19.c even 3 1 inner 2736.2.s.b 2
57.h odd 6 1 2736.2.s.r 2
76.g odd 6 1 684.2.k.a 2
228.m even 6 1 684.2.k.e yes 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
684.2.k.a 2 4.b odd 2 1
684.2.k.a 2 76.g odd 6 1
684.2.k.e yes 2 12.b even 2 1
684.2.k.e yes 2 228.m even 6 1
2736.2.s.b 2 1.a even 1 1 trivial
2736.2.s.b 2 19.c even 3 1 inner
2736.2.s.r 2 3.b odd 2 1
2736.2.s.r 2 57.h odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(2736, [\chi])$$:

 $$T_{5}^{2} + 4 T_{5} + 16$$ $$T_{7} - 3$$ $$T_{11} + 4$$ $$T_{13}^{2} + 5 T_{13} + 25$$

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T^{2}$$
$3$ $$T^{2}$$
$5$ $$16 + 4 T + T^{2}$$
$7$ $$( -3 + T )^{2}$$
$11$ $$( 4 + T )^{2}$$
$13$ $$25 + 5 T + T^{2}$$
$17$ $$T^{2}$$
$19$ $$19 - 8 T + T^{2}$$
$23$ $$16 - 4 T + T^{2}$$
$29$ $$64 + 8 T + T^{2}$$
$31$ $$( 1 + T )^{2}$$
$37$ $$( 5 + T )^{2}$$
$41$ $$64 + 8 T + T^{2}$$
$43$ $$25 + 5 T + T^{2}$$
$47$ $$64 + 8 T + T^{2}$$
$53$ $$16 + 4 T + T^{2}$$
$59$ $$144 - 12 T + T^{2}$$
$61$ $$1 - T + T^{2}$$
$67$ $$9 - 3 T + T^{2}$$
$71$ $$256 - 16 T + T^{2}$$
$73$ $$225 - 15 T + T^{2}$$
$79$ $$49 + 7 T + T^{2}$$
$83$ $$T^{2}$$
$89$ $$144 - 12 T + T^{2}$$
$97$ $$4 - 2 T + T^{2}$$