Properties

Label 1764.2.e.g
Level $1764$
Weight $2$
Character orbit 1764.e
Analytic conductor $14.086$
Analytic rank $0$
Dimension $12$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1764,2,Mod(1079,1764)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1764, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1764.1079");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1764 = 2^{2} \cdot 3^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1764.e (of order \(2\), degree \(1\), 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: \(14.0856109166\)
Analytic rank: \(0\)
Dimension: \(12\)
Coefficient field: 12.0.653473922154496.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 4x^{10} + 13x^{8} - 28x^{6} + 52x^{4} - 64x^{2} + 64 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{29}]\)
Coefficient ring index: \( 2^{9} \)
Twist minimal: no (minimal twist has level 252)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 basis \(1,\beta_1,\ldots,\beta_{11}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{6} q^{2} + (\beta_{10} + 1) q^{4} - \beta_{4} q^{5} + ( - \beta_{9} + \beta_{6}) q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{6} q^{2} + (\beta_{10} + 1) q^{4} - \beta_{4} q^{5} + ( - \beta_{9} + \beta_{6}) q^{8} + ( - \beta_{10} + \beta_{8} - \beta_{5} + \cdots + 1) q^{10}+ \cdots + ( - 3 \beta_{10} - 3 \beta_{5} - 1) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + 8 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 12 q + 8 q^{4} + 8 q^{10} - 20 q^{16} + 20 q^{22} - 12 q^{25} + 16 q^{34} + 8 q^{37} - 8 q^{40} - 36 q^{46} + 16 q^{52} + 4 q^{58} - 56 q^{61} - 16 q^{64} - 72 q^{76} - 56 q^{82} - 56 q^{85} + 28 q^{88} + 24 q^{94}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 4x^{10} + 13x^{8} - 28x^{6} + 52x^{4} - 64x^{2} + 64 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{11} + 4\nu^{9} - 5\nu^{7} + 12\nu^{5} - 12\nu^{3} + 16\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{10} + 4\nu^{8} - 5\nu^{6} + 12\nu^{4} - 12\nu^{2} + 16 ) / 16 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{11} + 4\nu^{9} - 13\nu^{7} + 28\nu^{5} - 20\nu^{3} + 32\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{9} - 2\nu^{7} + 9\nu^{5} - 10\nu^{3} + 16\nu ) / 8 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{10} + 4\nu^{8} - 13\nu^{6} + 28\nu^{4} - 20\nu^{2} + 32 ) / 16 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -\nu^{11} + 4\nu^{9} - 13\nu^{7} + 28\nu^{5} - 52\nu^{3} + 64\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -\nu^{11} - 4\nu^{9} + 11\nu^{7} - 28\nu^{5} + 36\nu^{3} - 48\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( -3\nu^{10} + 8\nu^{8} - 23\nu^{6} + 32\nu^{4} - 44\nu^{2} + 16 ) / 16 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 3\nu^{11} - 8\nu^{9} + 23\nu^{7} - 32\nu^{5} + 44\nu^{3} + 16\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( -\nu^{10} + 4\nu^{8} - 13\nu^{6} + 28\nu^{4} - 52\nu^{2} + 48 ) / 16 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( \nu^{10} - 8\nu^{8} + 21\nu^{6} - 32\nu^{4} + 60\nu^{2} - 48 ) / 16 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{9} + \beta_{6} - \beta_{4} + \beta_{3} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{10} + \beta_{5} + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{9} - \beta_{6} - \beta_{4} + 3\beta_{3} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( \beta_{11} + \beta_{10} - \beta_{8} + 2\beta_{5} + \beta_{2} - 4 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -\beta_{9} + 2\beta_{7} - 3\beta_{6} + 5\beta_{4} + \beta_{3} - 3\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 2\beta_{11} + 3\beta_{10} - 2\beta_{8} - \beta_{5} + 6\beta_{2} - 5 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -\beta_{9} + 4\beta_{7} - 3\beta_{6} + 9\beta_{4} - 7\beta_{3} + 3\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( -5\beta_{11} - 5\beta_{10} - 3\beta_{8} - 2\beta_{5} + 11\beta_{2} - 4 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( \beta_{9} - 10\beta_{7} - 5\beta_{6} - 5\beta_{4} - 9\beta_{3} + 27\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( -18\beta_{11} - 11\beta_{10} - 14\beta_{8} + 9\beta_{5} - 6\beta_{2} - 19 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( \beta_{9} - 36\beta_{7} - 13\beta_{6} - 9\beta_{4} - 9\beta_{3} - 3\beta_1 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1764\mathbb{Z}\right)^\times\).

\(n\) \(785\) \(883\) \(1081\)
\(\chi(n)\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1079.1
−1.35489 + 0.405301i
−1.35489 0.405301i
−1.16947 + 0.795191i
−1.16947 0.795191i
−0.892524 + 1.09700i
−0.892524 1.09700i
0.892524 + 1.09700i
0.892524 1.09700i
1.16947 + 0.795191i
1.16947 0.795191i
1.35489 + 0.405301i
1.35489 0.405301i
−1.35489 0.405301i 0 1.67146 + 1.09828i 3.31339i 0 0 −1.81951 2.16549i 0 −1.34292 + 4.48929i
1079.2 −1.35489 + 0.405301i 0 1.67146 1.09828i 3.31339i 0 0 −1.81951 + 2.16549i 0 −1.34292 4.48929i
1079.3 −1.16947 0.795191i 0 0.735342 + 1.85991i 0.665647i 0 0 0.619022 2.75986i 0 0.529317 0.778457i
1079.4 −1.16947 + 0.795191i 0 0.735342 1.85991i 0.665647i 0 0 0.619022 + 2.75986i 0 0.529317 + 0.778457i
1079.5 −0.892524 1.09700i 0 −0.406803 + 1.95819i 2.56483i 0 0 2.51121 1.30147i 0 2.81361 2.28917i
1079.6 −0.892524 + 1.09700i 0 −0.406803 1.95819i 2.56483i 0 0 2.51121 + 1.30147i 0 2.81361 + 2.28917i
1079.7 0.892524 1.09700i 0 −0.406803 1.95819i 2.56483i 0 0 −2.51121 1.30147i 0 2.81361 + 2.28917i
1079.8 0.892524 + 1.09700i 0 −0.406803 + 1.95819i 2.56483i 0 0 −2.51121 + 1.30147i 0 2.81361 2.28917i
1079.9 1.16947 0.795191i 0 0.735342 1.85991i 0.665647i 0 0 −0.619022 2.75986i 0 0.529317 + 0.778457i
1079.10 1.16947 + 0.795191i 0 0.735342 + 1.85991i 0.665647i 0 0 −0.619022 + 2.75986i 0 0.529317 0.778457i
1079.11 1.35489 0.405301i 0 1.67146 1.09828i 3.31339i 0 0 1.81951 2.16549i 0 −1.34292 4.48929i
1079.12 1.35489 + 0.405301i 0 1.67146 + 1.09828i 3.31339i 0 0 1.81951 + 2.16549i 0 −1.34292 + 4.48929i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1079.12
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
4.b odd 2 1 inner
12.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1764.2.e.g 12
3.b odd 2 1 inner 1764.2.e.g 12
4.b odd 2 1 inner 1764.2.e.g 12
7.b odd 2 1 252.2.e.a 12
12.b even 2 1 inner 1764.2.e.g 12
21.c even 2 1 252.2.e.a 12
28.d even 2 1 252.2.e.a 12
56.e even 2 1 4032.2.h.h 12
56.h odd 2 1 4032.2.h.h 12
84.h odd 2 1 252.2.e.a 12
168.e odd 2 1 4032.2.h.h 12
168.i even 2 1 4032.2.h.h 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
252.2.e.a 12 7.b odd 2 1
252.2.e.a 12 21.c even 2 1
252.2.e.a 12 28.d even 2 1
252.2.e.a 12 84.h odd 2 1
1764.2.e.g 12 1.a even 1 1 trivial
1764.2.e.g 12 3.b odd 2 1 inner
1764.2.e.g 12 4.b odd 2 1 inner
1764.2.e.g 12 12.b even 2 1 inner
4032.2.h.h 12 56.e even 2 1
4032.2.h.h 12 56.h odd 2 1
4032.2.h.h 12 168.e odd 2 1
4032.2.h.h 12 168.i even 2 1

Hecke kernels

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

\( T_{5}^{6} + 18T_{5}^{4} + 80T_{5}^{2} + 32 \) Copy content Toggle raw display
\( T_{13}^{3} - 28T_{13} + 16 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} - 4 T^{10} + \cdots + 64 \) Copy content Toggle raw display
$3$ \( T^{12} \) Copy content Toggle raw display
$5$ \( (T^{6} + 18 T^{4} + \cdots + 32)^{2} \) Copy content Toggle raw display
$7$ \( T^{12} \) Copy content Toggle raw display
$11$ \( (T^{6} - 28 T^{4} + \cdots - 128)^{2} \) Copy content Toggle raw display
$13$ \( (T^{3} - 28 T + 16)^{4} \) Copy content Toggle raw display
$17$ \( (T^{6} + 34 T^{4} + \cdots + 32)^{2} \) Copy content Toggle raw display
$19$ \( (T^{6} + 64 T^{4} + \cdots + 4096)^{2} \) Copy content Toggle raw display
$23$ \( (T^{6} - 140 T^{4} + \cdots - 67712)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 2)^{6} \) Copy content Toggle raw display
$31$ \( (T^{6} + 128 T^{4} + \cdots + 65536)^{2} \) Copy content Toggle raw display
$37$ \( (T^{3} - 2 T^{2} + \cdots - 128)^{4} \) Copy content Toggle raw display
$41$ \( (T^{6} + 114 T^{4} + \cdots + 53792)^{2} \) Copy content Toggle raw display
$43$ \( (T^{6} + 160 T^{4} + \cdots + 16384)^{2} \) Copy content Toggle raw display
$47$ \( (T^{6} - 272 T^{4} + \cdots - 524288)^{2} \) Copy content Toggle raw display
$53$ \( (T^{6} + 134 T^{4} + \cdots + 2312)^{2} \) Copy content Toggle raw display
$59$ \( (T^{6} - 208 T^{4} + \cdots - 8192)^{2} \) Copy content Toggle raw display
$61$ \( (T^{3} + 14 T^{2} + 4 T - 8)^{4} \) Copy content Toggle raw display
$67$ \( (T^{6} + 216 T^{4} + \cdots + 16384)^{2} \) Copy content Toggle raw display
$71$ \( (T^{6} - 268 T^{4} + \cdots - 36992)^{2} \) Copy content Toggle raw display
$73$ \( (T^{3} - 172 T + 352)^{4} \) Copy content Toggle raw display
$79$ \( (T^{6} + 312 T^{4} + \cdots + 16384)^{2} \) Copy content Toggle raw display
$83$ \( (T^{6} - 128 T^{4} + \cdots - 32768)^{2} \) Copy content Toggle raw display
$89$ \( (T^{6} + 226 T^{4} + \cdots + 170528)^{2} \) Copy content Toggle raw display
$97$ \( (T^{3} - 156 T - 128)^{4} \) Copy content Toggle raw display
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