Properties

 Label 1764.2.k.c Level $1764$ Weight $2$ Character orbit 1764.k Analytic conductor $14.086$ Analytic rank $0$ Dimension $2$ CM no Inner twists $2$

Related objects

Newspace parameters

 Level: $$N$$ $$=$$ $$1764 = 2^{2} \cdot 3^{2} \cdot 7^{2}$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 1764.k (of order $$3$$, degree $$2$$, not minimal)

Newform invariants

 Self dual: no Analytic conductor: $$14.0856109166$$ Analytic rank: $$0$$ Dimension: $$2$$ Coefficient field: $$\Q(\sqrt{-3})$$ Defining polynomial: $$x^{2} - x + 1$$ Coefficient ring: $$\Z[a_1, \ldots, a_{25}]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 588) 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.

 $$f(q)$$ $$=$$ $$q -2 \zeta_{6} q^{5} +O(q^{10})$$ $$q -2 \zeta_{6} q^{5} + ( 2 - 2 \zeta_{6} ) q^{11} + 4 q^{13} + ( -6 + 6 \zeta_{6} ) q^{17} + 8 \zeta_{6} q^{19} -6 \zeta_{6} q^{23} + ( 1 - \zeta_{6} ) q^{25} + 10 q^{29} + ( 4 - 4 \zeta_{6} ) q^{31} -6 \zeta_{6} q^{37} -6 q^{41} + 4 q^{43} -8 \zeta_{6} q^{47} + ( 2 - 2 \zeta_{6} ) q^{53} -4 q^{55} + ( 4 - 4 \zeta_{6} ) q^{59} -8 \zeta_{6} q^{61} -8 \zeta_{6} q^{65} + ( 8 - 8 \zeta_{6} ) q^{67} + 10 q^{71} + ( 4 - 4 \zeta_{6} ) q^{73} -4 \zeta_{6} q^{79} + 12 q^{83} + 12 q^{85} + 14 \zeta_{6} q^{89} + ( 16 - 16 \zeta_{6} ) q^{95} -4 q^{97} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2 q - 2 q^{5} + O(q^{10})$$ $$2 q - 2 q^{5} + 2 q^{11} + 8 q^{13} - 6 q^{17} + 8 q^{19} - 6 q^{23} + q^{25} + 20 q^{29} + 4 q^{31} - 6 q^{37} - 12 q^{41} + 8 q^{43} - 8 q^{47} + 2 q^{53} - 8 q^{55} + 4 q^{59} - 8 q^{61} - 8 q^{65} + 8 q^{67} + 20 q^{71} + 4 q^{73} - 4 q^{79} + 24 q^{83} + 24 q^{85} + 14 q^{89} + 16 q^{95} - 8 q^{97} + O(q^{100})$$

Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/1764\mathbb{Z}\right)^\times$$.

 $$n$$ $$785$$ $$883$$ $$1081$$ $$\chi(n)$$ $$1$$ $$1$$ $$-\zeta_{6}$$

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 $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
361.1
 0.5 + 0.866025i 0.5 − 0.866025i
0 0 0 −1.00000 1.73205i 0 0 0 0 0
1549.1 0 0 0 −1.00000 + 1.73205i 0 0 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
7.c even 3 1 inner

Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1764.2.k.c 2
3.b odd 2 1 588.2.i.g 2
7.b odd 2 1 1764.2.k.i 2
7.c even 3 1 1764.2.a.i 1
7.c even 3 1 inner 1764.2.k.c 2
7.d odd 6 1 1764.2.a.b 1
7.d odd 6 1 1764.2.k.i 2
12.b even 2 1 2352.2.q.k 2
21.c even 2 1 588.2.i.a 2
21.g even 6 1 588.2.a.e yes 1
21.g even 6 1 588.2.i.a 2
21.h odd 6 1 588.2.a.b 1
21.h odd 6 1 588.2.i.g 2
28.f even 6 1 7056.2.a.n 1
28.g odd 6 1 7056.2.a.bu 1
84.h odd 2 1 2352.2.q.p 2
84.j odd 6 1 2352.2.a.j 1
84.j odd 6 1 2352.2.q.p 2
84.n even 6 1 2352.2.a.p 1
84.n even 6 1 2352.2.q.k 2
168.s odd 6 1 9408.2.a.cu 1
168.v even 6 1 9408.2.a.bf 1
168.ba even 6 1 9408.2.a.l 1
168.be odd 6 1 9408.2.a.ca 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
588.2.a.b 1 21.h odd 6 1
588.2.a.e yes 1 21.g even 6 1
588.2.i.a 2 21.c even 2 1
588.2.i.a 2 21.g even 6 1
588.2.i.g 2 3.b odd 2 1
588.2.i.g 2 21.h odd 6 1
1764.2.a.b 1 7.d odd 6 1
1764.2.a.i 1 7.c even 3 1
1764.2.k.c 2 1.a even 1 1 trivial
1764.2.k.c 2 7.c even 3 1 inner
1764.2.k.i 2 7.b odd 2 1
1764.2.k.i 2 7.d odd 6 1
2352.2.a.j 1 84.j odd 6 1
2352.2.a.p 1 84.n even 6 1
2352.2.q.k 2 12.b even 2 1
2352.2.q.k 2 84.n even 6 1
2352.2.q.p 2 84.h odd 2 1
2352.2.q.p 2 84.j odd 6 1
7056.2.a.n 1 28.f even 6 1
7056.2.a.bu 1 28.g odd 6 1
9408.2.a.l 1 168.ba even 6 1
9408.2.a.bf 1 168.v even 6 1
9408.2.a.ca 1 168.be odd 6 1
9408.2.a.cu 1 168.s odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(1764, [\chi])$$:

 $$T_{5}^{2} + 2 T_{5} + 4$$ $$T_{11}^{2} - 2 T_{11} + 4$$ $$T_{13} - 4$$

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T^{2}$$
$3$ $$T^{2}$$
$5$ $$4 + 2 T + T^{2}$$
$7$ $$T^{2}$$
$11$ $$4 - 2 T + T^{2}$$
$13$ $$( -4 + T )^{2}$$
$17$ $$36 + 6 T + T^{2}$$
$19$ $$64 - 8 T + T^{2}$$
$23$ $$36 + 6 T + T^{2}$$
$29$ $$( -10 + T )^{2}$$
$31$ $$16 - 4 T + T^{2}$$
$37$ $$36 + 6 T + T^{2}$$
$41$ $$( 6 + T )^{2}$$
$43$ $$( -4 + T )^{2}$$
$47$ $$64 + 8 T + T^{2}$$
$53$ $$4 - 2 T + T^{2}$$
$59$ $$16 - 4 T + T^{2}$$
$61$ $$64 + 8 T + T^{2}$$
$67$ $$64 - 8 T + T^{2}$$
$71$ $$( -10 + T )^{2}$$
$73$ $$16 - 4 T + T^{2}$$
$79$ $$16 + 4 T + T^{2}$$
$83$ $$( -12 + T )^{2}$$
$89$ $$196 - 14 T + T^{2}$$
$97$ $$( 4 + T )^{2}$$