Properties

 Label 1764.4.k.j Level $1764$ Weight $4$ Character orbit 1764.k Analytic conductor $104.079$ 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: $$k$$ $$=$$ $$4$$ Character orbit: $$[\chi]$$ $$=$$ 1764.k (of order $$3$$, degree $$2$$, not minimal)

Newform invariants

 Self dual: no Analytic conductor: $$104.079369250$$ 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.

 $$f(q)$$ $$=$$ $$q + 4 \zeta_{6} q^{5} +O(q^{10})$$ $$q + 4 \zeta_{6} q^{5} + ( -20 + 20 \zeta_{6} ) q^{11} -4 q^{13} + ( 24 - 24 \zeta_{6} ) q^{17} -44 \zeta_{6} q^{19} + 72 \zeta_{6} q^{23} + ( 109 - 109 \zeta_{6} ) q^{25} + 38 q^{29} + ( -184 + 184 \zeta_{6} ) q^{31} + 30 \zeta_{6} q^{37} + 216 q^{41} -164 q^{43} + 520 \zeta_{6} q^{47} + ( -146 + 146 \zeta_{6} ) q^{53} -80 q^{55} + ( 460 - 460 \zeta_{6} ) q^{59} -628 \zeta_{6} q^{61} -16 \zeta_{6} q^{65} + ( -556 + 556 \zeta_{6} ) q^{67} -592 q^{71} + ( -1024 + 1024 \zeta_{6} ) q^{73} + 104 \zeta_{6} q^{79} + 324 q^{83} + 96 q^{85} + 896 \zeta_{6} q^{89} + ( 176 - 176 \zeta_{6} ) q^{95} -920 q^{97} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2q + 4q^{5} + O(q^{10})$$ $$2q + 4q^{5} - 20q^{11} - 8q^{13} + 24q^{17} - 44q^{19} + 72q^{23} + 109q^{25} + 76q^{29} - 184q^{31} + 30q^{37} + 432q^{41} - 328q^{43} + 520q^{47} - 146q^{53} - 160q^{55} + 460q^{59} - 628q^{61} - 16q^{65} - 556q^{67} - 1184q^{71} - 1024q^{73} + 104q^{79} + 648q^{83} + 192q^{85} + 896q^{89} + 176q^{95} - 1840q^{97} + O(q^{100})$$

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 2.00000 + 3.46410i 0 0 0 0 0
1549.1 0 0 0 2.00000 3.46410i 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 1764.4.k.j 2
3.b odd 2 1 588.4.i.g 2
7.b odd 2 1 1764.4.k.g 2
7.c even 3 1 1764.4.a.d 1
7.c even 3 1 inner 1764.4.k.j 2
7.d odd 6 1 1764.4.a.i 1
7.d odd 6 1 1764.4.k.g 2
21.c even 2 1 588.4.i.b 2
21.g even 6 1 588.4.a.e yes 1
21.g even 6 1 588.4.i.b 2
21.h odd 6 1 588.4.a.b 1
21.h odd 6 1 588.4.i.g 2
84.j odd 6 1 2352.4.a.g 1
84.n even 6 1 2352.4.a.be 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
588.4.a.b 1 21.h odd 6 1
588.4.a.e yes 1 21.g even 6 1
588.4.i.b 2 21.c even 2 1
588.4.i.b 2 21.g even 6 1
588.4.i.g 2 3.b odd 2 1
588.4.i.g 2 21.h odd 6 1
1764.4.a.d 1 7.c even 3 1
1764.4.a.i 1 7.d odd 6 1
1764.4.k.g 2 7.b odd 2 1
1764.4.k.g 2 7.d odd 6 1
1764.4.k.j 2 1.a even 1 1 trivial
1764.4.k.j 2 7.c even 3 1 inner
2352.4.a.g 1 84.j odd 6 1
2352.4.a.be 1 84.n even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{4}^{\mathrm{new}}(1764, [\chi])$$:

 $$T_{5}^{2} - 4 T_{5} + 16$$ $$T_{11}^{2} + 20 T_{11} + 400$$ $$T_{13} + 4$$

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T^{2}$$
$3$ $$T^{2}$$
$5$ $$16 - 4 T + T^{2}$$
$7$ $$T^{2}$$
$11$ $$400 + 20 T + T^{2}$$
$13$ $$( 4 + T )^{2}$$
$17$ $$576 - 24 T + T^{2}$$
$19$ $$1936 + 44 T + T^{2}$$
$23$ $$5184 - 72 T + T^{2}$$
$29$ $$( -38 + T )^{2}$$
$31$ $$33856 + 184 T + T^{2}$$
$37$ $$900 - 30 T + T^{2}$$
$41$ $$( -216 + T )^{2}$$
$43$ $$( 164 + T )^{2}$$
$47$ $$270400 - 520 T + T^{2}$$
$53$ $$21316 + 146 T + T^{2}$$
$59$ $$211600 - 460 T + T^{2}$$
$61$ $$394384 + 628 T + T^{2}$$
$67$ $$309136 + 556 T + T^{2}$$
$71$ $$( 592 + T )^{2}$$
$73$ $$1048576 + 1024 T + T^{2}$$
$79$ $$10816 - 104 T + T^{2}$$
$83$ $$( -324 + T )^{2}$$
$89$ $$802816 - 896 T + T^{2}$$
$97$ $$( 920 + T )^{2}$$