Properties

Label 1078.2.e.j
Level $1078$
Weight $2$
Character orbit 1078.e
Analytic conductor $8.608$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1078,2,Mod(67,1078)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1078, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([4, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1078.67");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1078 = 2 \cdot 7^{2} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1078.e (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: \(8.60787333789\)
Analytic rank: \(0\)
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: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 154)
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.

\(f(q)\) \(=\) \( q + \zeta_{6} q^{2} + (\zeta_{6} - 1) q^{4} + 4 \zeta_{6} q^{5} - q^{8} + 3 \zeta_{6} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{6} q^{2} + (\zeta_{6} - 1) q^{4} + 4 \zeta_{6} q^{5} - q^{8} + 3 \zeta_{6} q^{9} + (4 \zeta_{6} - 4) q^{10} + ( - \zeta_{6} + 1) q^{11} + 2 q^{13} - \zeta_{6} q^{16} + ( - 4 \zeta_{6} + 4) q^{17} + (3 \zeta_{6} - 3) q^{18} + 6 \zeta_{6} q^{19} - 4 q^{20} + q^{22} - 4 \zeta_{6} q^{23} + (11 \zeta_{6} - 11) q^{25} + 2 \zeta_{6} q^{26} - 2 q^{29} + ( - 2 \zeta_{6} + 2) q^{31} + ( - \zeta_{6} + 1) q^{32} + 4 q^{34} - 3 q^{36} - 10 \zeta_{6} q^{37} + (6 \zeta_{6} - 6) q^{38} - 4 \zeta_{6} q^{40} + 4 q^{41} - 8 q^{43} + \zeta_{6} q^{44} + (12 \zeta_{6} - 12) q^{45} + ( - 4 \zeta_{6} + 4) q^{46} - 2 \zeta_{6} q^{47} - 11 q^{50} + (2 \zeta_{6} - 2) q^{52} + (6 \zeta_{6} - 6) q^{53} + 4 q^{55} - 2 \zeta_{6} q^{58} + ( - 12 \zeta_{6} + 12) q^{59} + 14 \zeta_{6} q^{61} + 2 q^{62} + q^{64} + 8 \zeta_{6} q^{65} + ( - 12 \zeta_{6} + 12) q^{67} + 4 \zeta_{6} q^{68} - 8 q^{71} - 3 \zeta_{6} q^{72} + (4 \zeta_{6} - 4) q^{73} + ( - 10 \zeta_{6} + 10) q^{74} - 6 q^{76} + ( - 4 \zeta_{6} + 4) q^{80} + (9 \zeta_{6} - 9) q^{81} + 4 \zeta_{6} q^{82} - 6 q^{83} + 16 q^{85} - 8 \zeta_{6} q^{86} + (\zeta_{6} - 1) q^{88} + 6 \zeta_{6} q^{89} - 12 q^{90} + 4 q^{92} + ( - 2 \zeta_{6} + 2) q^{94} + (24 \zeta_{6} - 24) q^{95} - 14 q^{97} + 3 q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + q^{2} - q^{4} + 4 q^{5} - 2 q^{8} + 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + q^{2} - q^{4} + 4 q^{5} - 2 q^{8} + 3 q^{9} - 4 q^{10} + q^{11} + 4 q^{13} - q^{16} + 4 q^{17} - 3 q^{18} + 6 q^{19} - 8 q^{20} + 2 q^{22} - 4 q^{23} - 11 q^{25} + 2 q^{26} - 4 q^{29} + 2 q^{31} + q^{32} + 8 q^{34} - 6 q^{36} - 10 q^{37} - 6 q^{38} - 4 q^{40} + 8 q^{41} - 16 q^{43} + q^{44} - 12 q^{45} + 4 q^{46} - 2 q^{47} - 22 q^{50} - 2 q^{52} - 6 q^{53} + 8 q^{55} - 2 q^{58} + 12 q^{59} + 14 q^{61} + 4 q^{62} + 2 q^{64} + 8 q^{65} + 12 q^{67} + 4 q^{68} - 16 q^{71} - 3 q^{72} - 4 q^{73} + 10 q^{74} - 12 q^{76} + 4 q^{80} - 9 q^{81} + 4 q^{82} - 12 q^{83} + 32 q^{85} - 8 q^{86} - q^{88} + 6 q^{89} - 24 q^{90} + 8 q^{92} + 2 q^{94} - 24 q^{95} - 28 q^{97} + 6 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1078\mathbb{Z}\right)^\times\).

\(n\) \(199\) \(981\)
\(\chi(n)\) \(-\zeta_{6}\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
67.1
0.500000 + 0.866025i
0.500000 0.866025i
0.500000 + 0.866025i 0 −0.500000 + 0.866025i 2.00000 + 3.46410i 0 0 −1.00000 1.50000 + 2.59808i −2.00000 + 3.46410i
177.1 0.500000 0.866025i 0 −0.500000 0.866025i 2.00000 3.46410i 0 0 −1.00000 1.50000 2.59808i −2.00000 3.46410i
\(n\): 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 1078.2.e.j 2
7.b odd 2 1 1078.2.e.i 2
7.c even 3 1 154.2.a.a 1
7.c even 3 1 inner 1078.2.e.j 2
7.d odd 6 1 1078.2.a.d 1
7.d odd 6 1 1078.2.e.i 2
21.g even 6 1 9702.2.a.ba 1
21.h odd 6 1 1386.2.a.l 1
28.f even 6 1 8624.2.a.r 1
28.g odd 6 1 1232.2.a.e 1
35.j even 6 1 3850.2.a.u 1
35.l odd 12 2 3850.2.c.j 2
56.k odd 6 1 4928.2.a.w 1
56.p even 6 1 4928.2.a.v 1
77.h odd 6 1 1694.2.a.g 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
154.2.a.a 1 7.c even 3 1
1078.2.a.d 1 7.d odd 6 1
1078.2.e.i 2 7.b odd 2 1
1078.2.e.i 2 7.d odd 6 1
1078.2.e.j 2 1.a even 1 1 trivial
1078.2.e.j 2 7.c even 3 1 inner
1232.2.a.e 1 28.g odd 6 1
1386.2.a.l 1 21.h odd 6 1
1694.2.a.g 1 77.h odd 6 1
3850.2.a.u 1 35.j even 6 1
3850.2.c.j 2 35.l odd 12 2
4928.2.a.v 1 56.p even 6 1
4928.2.a.w 1 56.k odd 6 1
8624.2.a.r 1 28.f even 6 1
9702.2.a.ba 1 21.g even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1078, [\chi])\):

\( T_{3} \) Copy content Toggle raw display
\( T_{5}^{2} - 4T_{5} + 16 \) Copy content Toggle raw display
\( T_{13} - 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} - T + 1 \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( T^{2} - 4T + 16 \) Copy content Toggle raw display
$7$ \( T^{2} \) Copy content Toggle raw display
$11$ \( T^{2} - T + 1 \) Copy content Toggle raw display
$13$ \( (T - 2)^{2} \) Copy content Toggle raw display
$17$ \( T^{2} - 4T + 16 \) Copy content Toggle raw display
$19$ \( T^{2} - 6T + 36 \) Copy content Toggle raw display
$23$ \( T^{2} + 4T + 16 \) Copy content Toggle raw display
$29$ \( (T + 2)^{2} \) Copy content Toggle raw display
$31$ \( T^{2} - 2T + 4 \) Copy content Toggle raw display
$37$ \( T^{2} + 10T + 100 \) Copy content Toggle raw display
$41$ \( (T - 4)^{2} \) Copy content Toggle raw display
$43$ \( (T + 8)^{2} \) Copy content Toggle raw display
$47$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
$53$ \( T^{2} + 6T + 36 \) Copy content Toggle raw display
$59$ \( T^{2} - 12T + 144 \) Copy content Toggle raw display
$61$ \( T^{2} - 14T + 196 \) Copy content Toggle raw display
$67$ \( T^{2} - 12T + 144 \) Copy content Toggle raw display
$71$ \( (T + 8)^{2} \) Copy content Toggle raw display
$73$ \( T^{2} + 4T + 16 \) Copy content Toggle raw display
$79$ \( T^{2} \) Copy content Toggle raw display
$83$ \( (T + 6)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} - 6T + 36 \) Copy content Toggle raw display
$97$ \( (T + 14)^{2} \) Copy content Toggle raw display
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