Properties

Label 1960.2.q.h
Level $1960$
Weight $2$
Character orbit 1960.q
Analytic conductor $15.651$
Analytic rank $1$
Dimension $2$
CM no
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1960,2,Mod(361,1960)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1960, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 4]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1960.361");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1960 = 2^{3} \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1960.q (of order \(3\), degree \(2\), not minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(15.6506787962\)
Analytic rank: \(1\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 40)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

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.

\(f(q)\) \(=\) \( q - \zeta_{6} q^{5} + 3 \zeta_{6} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{6} q^{5} + 3 \zeta_{6} q^{9} + (4 \zeta_{6} - 4) q^{11} - 2 q^{13} + (2 \zeta_{6} - 2) q^{17} - 4 \zeta_{6} q^{19} - 4 \zeta_{6} q^{23} + (\zeta_{6} - 1) q^{25} - 2 q^{29} + ( - 8 \zeta_{6} + 8) q^{31} - 6 \zeta_{6} q^{37} - 6 q^{41} - 8 q^{43} + ( - 3 \zeta_{6} + 3) q^{45} - 4 \zeta_{6} q^{47} + (6 \zeta_{6} - 6) q^{53} + 4 q^{55} + ( - 4 \zeta_{6} + 4) q^{59} + 2 \zeta_{6} q^{61} + 2 \zeta_{6} q^{65} + (8 \zeta_{6} - 8) q^{67} + ( - 6 \zeta_{6} + 6) q^{73} + (9 \zeta_{6} - 9) q^{81} - 16 q^{83} + 2 q^{85} + 6 \zeta_{6} q^{89} + (4 \zeta_{6} - 4) q^{95} - 14 q^{97} - 12 q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - q^{5} + 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - q^{5} + 3 q^{9} - 4 q^{11} - 4 q^{13} - 2 q^{17} - 4 q^{19} - 4 q^{23} - q^{25} - 4 q^{29} + 8 q^{31} - 6 q^{37} - 12 q^{41} - 16 q^{43} + 3 q^{45} - 4 q^{47} - 6 q^{53} + 8 q^{55} + 4 q^{59} + 2 q^{61} + 2 q^{65} - 8 q^{67} + 6 q^{73} - 9 q^{81} - 32 q^{83} + 4 q^{85} + 6 q^{89} - 4 q^{95} - 28 q^{97} - 24 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1960\mathbb{Z}\right)^\times\).

\(n\) \(981\) \(1081\) \(1177\) \(1471\)
\(\chi(n)\) \(1\) \(-\zeta_{6}\) \(1\) \(1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
361.1
0.500000 + 0.866025i
0.500000 0.866025i
0 0 0 −0.500000 0.866025i 0 0 0 1.50000 + 2.59808i 0
961.1 0 0 0 −0.500000 + 0.866025i 0 0 0 1.50000 2.59808i 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

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 1960.2.q.h 2
7.b odd 2 1 1960.2.q.i 2
7.c even 3 1 40.2.a.a 1
7.c even 3 1 inner 1960.2.q.h 2
7.d odd 6 1 1960.2.a.g 1
7.d odd 6 1 1960.2.q.i 2
21.h odd 6 1 360.2.a.a 1
28.f even 6 1 3920.2.a.s 1
28.g odd 6 1 80.2.a.a 1
35.i odd 6 1 9800.2.a.x 1
35.j even 6 1 200.2.a.c 1
35.l odd 12 2 200.2.c.b 2
56.k odd 6 1 320.2.a.d 1
56.p even 6 1 320.2.a.c 1
63.g even 3 1 3240.2.q.k 2
63.h even 3 1 3240.2.q.k 2
63.j odd 6 1 3240.2.q.x 2
63.n odd 6 1 3240.2.q.x 2
77.h odd 6 1 4840.2.a.f 1
84.n even 6 1 720.2.a.e 1
91.r even 6 1 6760.2.a.i 1
105.o odd 6 1 1800.2.a.v 1
105.x even 12 2 1800.2.f.a 2
112.u odd 12 2 1280.2.d.a 2
112.w even 12 2 1280.2.d.j 2
140.p odd 6 1 400.2.a.e 1
140.w even 12 2 400.2.c.d 2
168.s odd 6 1 2880.2.a.t 1
168.v even 6 1 2880.2.a.bg 1
280.bf even 6 1 1600.2.a.o 1
280.bi odd 6 1 1600.2.a.k 1
280.br even 12 2 1600.2.c.m 2
280.bt odd 12 2 1600.2.c.k 2
308.n even 6 1 9680.2.a.q 1
420.ba even 6 1 3600.2.a.h 1
420.bp odd 12 2 3600.2.f.t 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
40.2.a.a 1 7.c even 3 1
80.2.a.a 1 28.g odd 6 1
200.2.a.c 1 35.j even 6 1
200.2.c.b 2 35.l odd 12 2
320.2.a.c 1 56.p even 6 1
320.2.a.d 1 56.k odd 6 1
360.2.a.a 1 21.h odd 6 1
400.2.a.e 1 140.p odd 6 1
400.2.c.d 2 140.w even 12 2
720.2.a.e 1 84.n even 6 1
1280.2.d.a 2 112.u odd 12 2
1280.2.d.j 2 112.w even 12 2
1600.2.a.k 1 280.bi odd 6 1
1600.2.a.o 1 280.bf even 6 1
1600.2.c.k 2 280.bt odd 12 2
1600.2.c.m 2 280.br even 12 2
1800.2.a.v 1 105.o odd 6 1
1800.2.f.a 2 105.x even 12 2
1960.2.a.g 1 7.d odd 6 1
1960.2.q.h 2 1.a even 1 1 trivial
1960.2.q.h 2 7.c even 3 1 inner
1960.2.q.i 2 7.b odd 2 1
1960.2.q.i 2 7.d odd 6 1
2880.2.a.t 1 168.s odd 6 1
2880.2.a.bg 1 168.v even 6 1
3240.2.q.k 2 63.g even 3 1
3240.2.q.k 2 63.h even 3 1
3240.2.q.x 2 63.j odd 6 1
3240.2.q.x 2 63.n odd 6 1
3600.2.a.h 1 420.ba even 6 1
3600.2.f.t 2 420.bp odd 12 2
3920.2.a.s 1 28.f even 6 1
4840.2.a.f 1 77.h odd 6 1
6760.2.a.i 1 91.r even 6 1
9680.2.a.q 1 308.n even 6 1
9800.2.a.x 1 35.i odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1960, [\chi])\):

\( T_{3} \) Copy content Toggle raw display
\( T_{11}^{2} + 4T_{11} + 16 \) Copy content Toggle raw display
\( T_{13} + 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$7$ \( T^{2} \) Copy content Toggle raw display
$11$ \( T^{2} + 4T + 16 \) Copy content Toggle raw display
$13$ \( (T + 2)^{2} \) Copy content Toggle raw display
$17$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
$19$ \( T^{2} + 4T + 16 \) Copy content Toggle raw display
$23$ \( T^{2} + 4T + 16 \) Copy content Toggle raw display
$29$ \( (T + 2)^{2} \) Copy content Toggle raw display
$31$ \( T^{2} - 8T + 64 \) Copy content Toggle raw display
$37$ \( T^{2} + 6T + 36 \) Copy content Toggle raw display
$41$ \( (T + 6)^{2} \) Copy content Toggle raw display
$43$ \( (T + 8)^{2} \) Copy content Toggle raw display
$47$ \( T^{2} + 4T + 16 \) Copy content Toggle raw display
$53$ \( T^{2} + 6T + 36 \) Copy content Toggle raw display
$59$ \( T^{2} - 4T + 16 \) Copy content Toggle raw display
$61$ \( T^{2} - 2T + 4 \) Copy content Toggle raw display
$67$ \( T^{2} + 8T + 64 \) Copy content Toggle raw display
$71$ \( T^{2} \) Copy content Toggle raw display
$73$ \( T^{2} - 6T + 36 \) Copy content Toggle raw display
$79$ \( T^{2} \) Copy content Toggle raw display
$83$ \( (T + 16)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} - 6T + 36 \) Copy content Toggle raw display
$97$ \( (T + 14)^{2} \) Copy content Toggle raw display
show more
show less