# Properties

 Label 1680.2.bg.d Level 1680 Weight 2 Character orbit 1680.bg Analytic conductor 13.415 Analytic rank 0 Dimension 2 CM no Inner twists 2

# Related objects

## Newspace parameters

 Level: $$N$$ $$=$$ $$1680 = 2^{4} \cdot 3 \cdot 5 \cdot 7$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 1680.bg (of order $$3$$, degree $$2$$, not minimal)

## Newform invariants

 Self dual: no Analytic conductor: $$13.4148675396$$ Analytic rank: $$0$$ Dimension: $$2$$ Coefficient field: $$\Q(\sqrt{-3})$$ Defining polynomial: $$x^{2} - x + 1$$ Coefficient ring: $$\Z[a_1, a_2, a_3]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 210) 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.

 $$f(q)$$ $$=$$ $$q + ( -1 + \zeta_{6} ) q^{3} -\zeta_{6} q^{5} + ( 1 + 2 \zeta_{6} ) q^{7} -\zeta_{6} q^{9} +O(q^{10})$$ $$q + ( -1 + \zeta_{6} ) q^{3} -\zeta_{6} q^{5} + ( 1 + 2 \zeta_{6} ) q^{7} -\zeta_{6} q^{9} + ( -5 + 5 \zeta_{6} ) q^{11} -5 q^{13} + q^{15} + ( 4 - 4 \zeta_{6} ) q^{17} -7 \zeta_{6} q^{19} + ( -3 + \zeta_{6} ) q^{21} + \zeta_{6} q^{23} + ( -1 + \zeta_{6} ) q^{25} + q^{27} + ( -2 + 2 \zeta_{6} ) q^{31} -5 \zeta_{6} q^{33} + ( 2 - 3 \zeta_{6} ) q^{35} -\zeta_{6} q^{37} + ( 5 - 5 \zeta_{6} ) q^{39} + 5 q^{41} -12 q^{43} + ( -1 + \zeta_{6} ) q^{45} -11 \zeta_{6} q^{47} + ( -3 + 8 \zeta_{6} ) q^{49} + 4 \zeta_{6} q^{51} + ( 9 - 9 \zeta_{6} ) q^{53} + 5 q^{55} + 7 q^{57} + ( 4 - 4 \zeta_{6} ) q^{59} -4 \zeta_{6} q^{61} + ( 2 - 3 \zeta_{6} ) q^{63} + 5 \zeta_{6} q^{65} + ( -12 + 12 \zeta_{6} ) q^{67} - q^{69} -2 q^{71} + ( -10 + 10 \zeta_{6} ) q^{73} -\zeta_{6} q^{75} + ( -15 + 5 \zeta_{6} ) q^{77} -12 \zeta_{6} q^{79} + ( -1 + \zeta_{6} ) q^{81} + 12 q^{83} -4 q^{85} -14 \zeta_{6} q^{89} + ( -5 - 10 \zeta_{6} ) q^{91} -2 \zeta_{6} q^{93} + ( -7 + 7 \zeta_{6} ) q^{95} -8 q^{97} + 5 q^{99} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2q - q^{3} - q^{5} + 4q^{7} - q^{9} + O(q^{10})$$ $$2q - q^{3} - q^{5} + 4q^{7} - q^{9} - 5q^{11} - 10q^{13} + 2q^{15} + 4q^{17} - 7q^{19} - 5q^{21} + q^{23} - q^{25} + 2q^{27} - 2q^{31} - 5q^{33} + q^{35} - q^{37} + 5q^{39} + 10q^{41} - 24q^{43} - q^{45} - 11q^{47} + 2q^{49} + 4q^{51} + 9q^{53} + 10q^{55} + 14q^{57} + 4q^{59} - 4q^{61} + q^{63} + 5q^{65} - 12q^{67} - 2q^{69} - 4q^{71} - 10q^{73} - q^{75} - 25q^{77} - 12q^{79} - q^{81} + 24q^{83} - 8q^{85} - 14q^{89} - 20q^{91} - 2q^{93} - 7q^{95} - 16q^{97} + 10q^{99} + O(q^{100})$$

## Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/1680\mathbb{Z}\right)^\times$$.

 $$n$$ $$241$$ $$337$$ $$421$$ $$1121$$ $$1471$$ $$\chi(n)$$ $$-\zeta_{6}$$ $$1$$ $$1$$ $$1$$ $$1$$

## 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 $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
961.1
 0.5 − 0.866025i 0.5 + 0.866025i
0 −0.500000 0.866025i 0 −0.500000 + 0.866025i 0 2.00000 1.73205i 0 −0.500000 + 0.866025i 0
1201.1 0 −0.500000 + 0.866025i 0 −0.500000 0.866025i 0 2.00000 + 1.73205i 0 −0.500000 0.866025i 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 1680.2.bg.d 2
4.b odd 2 1 210.2.i.b 2
7.c even 3 1 inner 1680.2.bg.d 2
12.b even 2 1 630.2.k.g 2
20.d odd 2 1 1050.2.i.p 2
20.e even 4 2 1050.2.o.g 4
28.d even 2 1 1470.2.i.e 2
28.f even 6 1 1470.2.a.o 1
28.f even 6 1 1470.2.i.e 2
28.g odd 6 1 210.2.i.b 2
28.g odd 6 1 1470.2.a.l 1
84.j odd 6 1 4410.2.a.u 1
84.n even 6 1 630.2.k.g 2
84.n even 6 1 4410.2.a.j 1
140.p odd 6 1 1050.2.i.p 2
140.p odd 6 1 7350.2.a.u 1
140.s even 6 1 7350.2.a.a 1
140.w even 12 2 1050.2.o.g 4

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
210.2.i.b 2 4.b odd 2 1
210.2.i.b 2 28.g odd 6 1
630.2.k.g 2 12.b even 2 1
630.2.k.g 2 84.n even 6 1
1050.2.i.p 2 20.d odd 2 1
1050.2.i.p 2 140.p odd 6 1
1050.2.o.g 4 20.e even 4 2
1050.2.o.g 4 140.w even 12 2
1470.2.a.l 1 28.g odd 6 1
1470.2.a.o 1 28.f even 6 1
1470.2.i.e 2 28.d even 2 1
1470.2.i.e 2 28.f even 6 1
1680.2.bg.d 2 1.a even 1 1 trivial
1680.2.bg.d 2 7.c even 3 1 inner
4410.2.a.j 1 84.n even 6 1
4410.2.a.u 1 84.j odd 6 1
7350.2.a.a 1 140.s even 6 1
7350.2.a.u 1 140.p odd 6 1

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(1680, [\chi])$$:

 $$T_{11}^{2} + 5 T_{11} + 25$$ $$T_{13} + 5$$ $$T_{17}^{2} - 4 T_{17} + 16$$

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ 1
$3$ $$1 + T + T^{2}$$
$5$ $$1 + T + T^{2}$$
$7$ $$1 - 4 T + 7 T^{2}$$
$11$ $$1 + 5 T + 14 T^{2} + 55 T^{3} + 121 T^{4}$$
$13$ $$( 1 + 5 T + 13 T^{2} )^{2}$$
$17$ $$1 - 4 T - T^{2} - 68 T^{3} + 289 T^{4}$$
$19$ $$( 1 - T + 19 T^{2} )( 1 + 8 T + 19 T^{2} )$$
$23$ $$1 - T - 22 T^{2} - 23 T^{3} + 529 T^{4}$$
$29$ $$( 1 + 29 T^{2} )^{2}$$
$31$ $$1 + 2 T - 27 T^{2} + 62 T^{3} + 961 T^{4}$$
$37$ $$( 1 - 10 T + 37 T^{2} )( 1 + 11 T + 37 T^{2} )$$
$41$ $$( 1 - 5 T + 41 T^{2} )^{2}$$
$43$ $$( 1 + 12 T + 43 T^{2} )^{2}$$
$47$ $$1 + 11 T + 74 T^{2} + 517 T^{3} + 2209 T^{4}$$
$53$ $$1 - 9 T + 28 T^{2} - 477 T^{3} + 2809 T^{4}$$
$59$ $$1 - 4 T - 43 T^{2} - 236 T^{3} + 3481 T^{4}$$
$61$ $$1 + 4 T - 45 T^{2} + 244 T^{3} + 3721 T^{4}$$
$67$ $$1 + 12 T + 77 T^{2} + 804 T^{3} + 4489 T^{4}$$
$71$ $$( 1 + 2 T + 71 T^{2} )^{2}$$
$73$ $$( 1 - 7 T + 73 T^{2} )( 1 + 17 T + 73 T^{2} )$$
$79$ $$1 + 12 T + 65 T^{2} + 948 T^{3} + 6241 T^{4}$$
$83$ $$( 1 - 12 T + 83 T^{2} )^{2}$$
$89$ $$1 + 14 T + 107 T^{2} + 1246 T^{3} + 7921 T^{4}$$
$97$ $$( 1 + 8 T + 97 T^{2} )^{2}$$