# Properties

 Label 1764.2.k.b 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: $$\Z[a_1, \ldots, a_{19}]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 28) 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.

 $$f(q)$$ $$=$$ $$q -3 \zeta_{6} q^{5} +O(q^{10})$$ $$q -3 \zeta_{6} q^{5} + ( -3 + 3 \zeta_{6} ) q^{11} -2 q^{13} + ( -3 + 3 \zeta_{6} ) q^{17} -\zeta_{6} q^{19} + 3 \zeta_{6} q^{23} + ( -4 + 4 \zeta_{6} ) q^{25} + 6 q^{29} + ( -7 + 7 \zeta_{6} ) q^{31} + \zeta_{6} q^{37} + 6 q^{41} -4 q^{43} + 9 \zeta_{6} q^{47} + ( 3 - 3 \zeta_{6} ) q^{53} + 9 q^{55} + ( -9 + 9 \zeta_{6} ) q^{59} -\zeta_{6} q^{61} + 6 \zeta_{6} q^{65} + ( 7 - 7 \zeta_{6} ) q^{67} + ( -1 + \zeta_{6} ) q^{73} + 13 \zeta_{6} q^{79} + 12 q^{83} + 9 q^{85} -15 \zeta_{6} q^{89} + ( -3 + 3 \zeta_{6} ) q^{95} + 10 q^{97} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2 q - 3 q^{5} + O(q^{10})$$ $$2 q - 3 q^{5} - 3 q^{11} - 4 q^{13} - 3 q^{17} - q^{19} + 3 q^{23} - 4 q^{25} + 12 q^{29} - 7 q^{31} + q^{37} + 12 q^{41} - 8 q^{43} + 9 q^{47} + 3 q^{53} + 18 q^{55} - 9 q^{59} - q^{61} + 6 q^{65} + 7 q^{67} - q^{73} + 13 q^{79} + 24 q^{83} + 18 q^{85} - 15 q^{89} - 3 q^{95} + 20 q^{97} + O(q^{100})$$

## 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 −1.50000 2.59808i 0 0 0 0 0
1549.1 0 0 0 −1.50000 + 2.59808i 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.b 2
3.b odd 2 1 196.2.e.a 2
7.b odd 2 1 252.2.k.c 2
7.c even 3 1 1764.2.a.j 1
7.c even 3 1 inner 1764.2.k.b 2
7.d odd 6 1 252.2.k.c 2
7.d odd 6 1 1764.2.a.a 1
12.b even 2 1 784.2.i.d 2
21.c even 2 1 28.2.e.a 2
21.g even 6 1 28.2.e.a 2
21.g even 6 1 196.2.a.b 1
21.h odd 6 1 196.2.a.a 1
21.h odd 6 1 196.2.e.a 2
28.d even 2 1 1008.2.s.p 2
28.f even 6 1 1008.2.s.p 2
28.f even 6 1 7056.2.a.f 1
28.g odd 6 1 7056.2.a.bw 1
63.i even 6 1 2268.2.l.h 2
63.k odd 6 1 2268.2.i.h 2
63.l odd 6 1 2268.2.i.h 2
63.l odd 6 1 2268.2.l.a 2
63.o even 6 1 2268.2.i.a 2
63.o even 6 1 2268.2.l.h 2
63.s even 6 1 2268.2.i.a 2
63.t odd 6 1 2268.2.l.a 2
84.h odd 2 1 112.2.i.b 2
84.j odd 6 1 112.2.i.b 2
84.j odd 6 1 784.2.a.d 1
84.n even 6 1 784.2.a.g 1
84.n even 6 1 784.2.i.d 2
105.g even 2 1 700.2.i.c 2
105.k odd 4 2 700.2.r.b 4
105.o odd 6 1 4900.2.a.n 1
105.p even 6 1 700.2.i.c 2
105.p even 6 1 4900.2.a.g 1
105.w odd 12 2 700.2.r.b 4
105.w odd 12 2 4900.2.e.i 2
105.x even 12 2 4900.2.e.h 2
168.e odd 2 1 448.2.i.c 2
168.i even 2 1 448.2.i.e 2
168.s odd 6 1 3136.2.a.v 1
168.v even 6 1 3136.2.a.k 1
168.ba even 6 1 448.2.i.e 2
168.ba even 6 1 3136.2.a.h 1
168.be odd 6 1 448.2.i.c 2
168.be odd 6 1 3136.2.a.s 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
28.2.e.a 2 21.c even 2 1
28.2.e.a 2 21.g even 6 1
112.2.i.b 2 84.h odd 2 1
112.2.i.b 2 84.j odd 6 1
196.2.a.a 1 21.h odd 6 1
196.2.a.b 1 21.g even 6 1
196.2.e.a 2 3.b odd 2 1
196.2.e.a 2 21.h odd 6 1
252.2.k.c 2 7.b odd 2 1
252.2.k.c 2 7.d odd 6 1
448.2.i.c 2 168.e odd 2 1
448.2.i.c 2 168.be odd 6 1
448.2.i.e 2 168.i even 2 1
448.2.i.e 2 168.ba even 6 1
700.2.i.c 2 105.g even 2 1
700.2.i.c 2 105.p even 6 1
700.2.r.b 4 105.k odd 4 2
700.2.r.b 4 105.w odd 12 2
784.2.a.d 1 84.j odd 6 1
784.2.a.g 1 84.n even 6 1
784.2.i.d 2 12.b even 2 1
784.2.i.d 2 84.n even 6 1
1008.2.s.p 2 28.d even 2 1
1008.2.s.p 2 28.f even 6 1
1764.2.a.a 1 7.d odd 6 1
1764.2.a.j 1 7.c even 3 1
1764.2.k.b 2 1.a even 1 1 trivial
1764.2.k.b 2 7.c even 3 1 inner
2268.2.i.a 2 63.o even 6 1
2268.2.i.a 2 63.s even 6 1
2268.2.i.h 2 63.k odd 6 1
2268.2.i.h 2 63.l odd 6 1
2268.2.l.a 2 63.l odd 6 1
2268.2.l.a 2 63.t odd 6 1
2268.2.l.h 2 63.i even 6 1
2268.2.l.h 2 63.o even 6 1
3136.2.a.h 1 168.ba even 6 1
3136.2.a.k 1 168.v even 6 1
3136.2.a.s 1 168.be odd 6 1
3136.2.a.v 1 168.s odd 6 1
4900.2.a.g 1 105.p even 6 1
4900.2.a.n 1 105.o odd 6 1
4900.2.e.h 2 105.x even 12 2
4900.2.e.i 2 105.w odd 12 2
7056.2.a.f 1 28.f even 6 1
7056.2.a.bw 1 28.g odd 6 1

## Hecke kernels

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

 $$T_{5}^{2} + 3 T_{5} + 9$$ $$T_{11}^{2} + 3 T_{11} + 9$$ $$T_{13} + 2$$

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T^{2}$$
$3$ $$T^{2}$$
$5$ $$9 + 3 T + T^{2}$$
$7$ $$T^{2}$$
$11$ $$9 + 3 T + T^{2}$$
$13$ $$( 2 + T )^{2}$$
$17$ $$9 + 3 T + T^{2}$$
$19$ $$1 + T + T^{2}$$
$23$ $$9 - 3 T + T^{2}$$
$29$ $$( -6 + T )^{2}$$
$31$ $$49 + 7 T + T^{2}$$
$37$ $$1 - T + T^{2}$$
$41$ $$( -6 + T )^{2}$$
$43$ $$( 4 + T )^{2}$$
$47$ $$81 - 9 T + T^{2}$$
$53$ $$9 - 3 T + T^{2}$$
$59$ $$81 + 9 T + T^{2}$$
$61$ $$1 + T + T^{2}$$
$67$ $$49 - 7 T + T^{2}$$
$71$ $$T^{2}$$
$73$ $$1 + T + T^{2}$$
$79$ $$169 - 13 T + T^{2}$$
$83$ $$( -12 + T )^{2}$$
$89$ $$225 + 15 T + T^{2}$$
$97$ $$( -10 + T )^{2}$$