Properties

Label 1776.2.e.g
Level $1776$
Weight $2$
Character orbit 1776.e
Analytic conductor $14.181$
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] = [1776,2,Mod(815,1776)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1776, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 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("1776.815");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1776 = 2^{4} \cdot 3 \cdot 37 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1776.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: \(14.1814313990\)
Analytic rank: \(0\)
Dimension: \(12\)
Coefficient field: \(\mathbb{Q}[x]/(x^{12} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 5 x^{11} + 10 x^{10} - 11 x^{9} + 15 x^{8} - 42 x^{7} + 92 x^{6} - 126 x^{5} + 135 x^{4} + \cdots + 729 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{4}\cdot 3 \)
Twist minimal: yes
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.

\(f(q)\) \(=\) \( q - \beta_{8} q^{3} + \beta_{10} q^{5} - \beta_{11} q^{7} + (\beta_{10} + \beta_{9} + \cdots - \beta_{2}) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{8} q^{3} + \beta_{10} q^{5} - \beta_{11} q^{7} + (\beta_{10} + \beta_{9} + \cdots - \beta_{2}) q^{9}+ \cdots + (3 \beta_{11} + 3 \beta_{5} + \cdots - 3 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q - 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 12 q - 2 q^{9} + 8 q^{13} - 14 q^{21} + 12 q^{25} - 30 q^{33} + 12 q^{37} - 28 q^{45} - 8 q^{49} - 24 q^{57} + 48 q^{61} + 4 q^{69} + 60 q^{73} - 42 q^{81} + 16 q^{85} - 24 q^{93} + 80 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 5 x^{11} + 10 x^{10} - 11 x^{9} + 15 x^{8} - 42 x^{7} + 92 x^{6} - 126 x^{5} + 135 x^{4} + \cdots + 729 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{11} - 2 \nu^{10} + 4 \nu^{9} + \nu^{8} + 18 \nu^{7} + 12 \nu^{6} + 128 \nu^{5} + 258 \nu^{4} + \cdots - 243 ) / 3888 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 17 \nu^{11} + 40 \nu^{10} - 62 \nu^{9} + 25 \nu^{8} - 174 \nu^{7} + 300 \nu^{6} - 592 \nu^{5} + \cdots + 8505 ) / 3888 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 7 \nu^{11} - 19 \nu^{10} + 17 \nu^{9} - 16 \nu^{8} + 46 \nu^{7} - 126 \nu^{6} + 170 \nu^{5} + \cdots - 1620 ) / 648 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 19 \nu^{11} + 83 \nu^{10} - 121 \nu^{9} + 98 \nu^{8} - 252 \nu^{7} + 654 \nu^{6} - 1136 \nu^{5} + \cdots + 12150 ) / 1944 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 41 \nu^{11} - 163 \nu^{10} + 227 \nu^{9} - 220 \nu^{8} + 450 \nu^{7} - 1200 \nu^{6} + 2278 \nu^{5} + \cdots - 22842 ) / 1944 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 103 \nu^{11} - 326 \nu^{10} + 472 \nu^{9} - 449 \nu^{8} + 906 \nu^{7} - 2832 \nu^{6} + 5156 \nu^{5} + \cdots - 47385 ) / 3888 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 17 \nu^{11} - 73 \nu^{10} + 107 \nu^{9} - 70 \nu^{8} + 156 \nu^{7} - 546 \nu^{6} + 1024 \nu^{5} + \cdots - 10530 ) / 648 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 131 \nu^{11} - 460 \nu^{10} + 578 \nu^{9} - 463 \nu^{8} + 1278 \nu^{7} - 3792 \nu^{6} + 6292 \nu^{5} + \cdots - 56619 ) / 3888 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 127 \nu^{11} - 476 \nu^{10} + 646 \nu^{9} - 527 \nu^{8} + 1110 \nu^{7} - 3804 \nu^{6} + 7220 \nu^{5} + \cdots - 65367 ) / 3888 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 43 \nu^{11} + 146 \nu^{10} - 202 \nu^{9} + 152 \nu^{8} - 381 \nu^{7} + 1194 \nu^{6} - 2057 \nu^{5} + \cdots + 19440 ) / 972 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 140 \nu^{11} - 433 \nu^{10} + 533 \nu^{9} - 427 \nu^{8} + 1224 \nu^{7} - 3486 \nu^{6} + 5986 \nu^{5} + \cdots - 49815 ) / 1944 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{11} + 2\beta_{8} + \beta_{5} + 3\beta_{4} - 3\beta_{2} - \beta _1 + 3 ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{11} - 3\beta_{10} + 3\beta_{9} - \beta_{8} - 3\beta_{7} - 3\beta_{6} + \beta_{5} - 3\beta_{2} - 4\beta _1 + 3 ) / 6 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( - 4 \beta_{11} - 3 \beta_{10} + 3 \beta_{9} + 2 \beta_{8} - 3 \beta_{7} - 2 \beta_{5} - 3 \beta_{4} + \cdots + 6 ) / 6 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - \beta_{11} - 9 \beta_{10} - 3 \beta_{9} + 2 \beta_{8} - 3 \beta_{7} - 6 \beta_{6} + 7 \beta_{5} + \cdots - 9 ) / 6 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 11 \beta_{11} + 12 \beta_{10} + 24 \beta_{9} - 13 \beta_{8} - 6 \beta_{7} - 9 \beta_{6} + \beta_{5} + \cdots + 9 ) / 6 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 13 \beta_{11} + 12 \beta_{10} + 6 \beta_{9} - 29 \beta_{8} + 6 \beta_{7} - 9 \beta_{6} + 14 \beta_{5} + \cdots + 3 ) / 3 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 35 \beta_{11} - 24 \beta_{9} - 10 \beta_{8} - 30 \beta_{7} - 48 \beta_{6} + 37 \beta_{5} - 63 \beta_{4} + \cdots - 21 ) / 6 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 29 \beta_{11} - 39 \beta_{10} + 27 \beta_{9} - 7 \beta_{8} + 21 \beta_{7} - 117 \beta_{6} - 95 \beta_{5} + \cdots - 9 ) / 6 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 8 \beta_{11} - 267 \beta_{10} - 201 \beta_{9} - 226 \beta_{8} + 75 \beta_{7} + 12 \beta_{6} - 2 \beta_{5} + \cdots + 354 ) / 6 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 43 \beta_{11} - 189 \beta_{10} - 219 \beta_{9} + 32 \beta_{8} - 51 \beta_{7} + 336 \beta_{6} + \cdots + 99 ) / 6 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 263 \beta_{11} - 420 \beta_{10} - 24 \beta_{9} - 925 \beta_{8} - 132 \beta_{7} + 147 \beta_{6} + \cdots - 327 ) / 6 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1776\mathbb{Z}\right)^\times\).

\(n\) \(223\) \(593\) \(1297\) \(1333\)
\(\chi(n)\) \(-1\) \(-1\) \(1\) \(1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
815.1
1.22118 1.22830i
1.22118 + 1.22830i
1.56305 + 0.746251i
1.56305 0.746251i
−1.50850 + 0.851135i
−1.50850 0.851135i
0.430781 1.67763i
0.430781 + 1.67763i
−0.933602 + 1.45890i
−0.933602 1.45890i
1.72710 + 0.130928i
1.72710 0.130928i
0 −1.57294 0.725164i 0 2.86674i 0 4.50920i 0 1.94827 + 2.28128i 0
815.2 0 −1.57294 + 0.725164i 0 2.86674i 0 4.50920i 0 1.94827 2.28128i 0
815.3 0 −1.14661 1.29818i 0 1.03994i 0 1.19241i 0 −0.370556 + 2.97703i 0
815.4 0 −1.14661 + 1.29818i 0 1.03994i 0 1.19241i 0 −0.370556 2.97703i 0
815.5 0 −0.679074 1.59338i 0 1.64327i 0 1.11590i 0 −2.07772 + 2.16404i 0
815.6 0 −0.679074 + 1.59338i 0 1.64327i 0 1.11590i 0 −2.07772 2.16404i 0
815.7 0 0.679074 1.59338i 0 1.64327i 0 1.11590i 0 −2.07772 2.16404i 0
815.8 0 0.679074 + 1.59338i 0 1.64327i 0 1.11590i 0 −2.07772 + 2.16404i 0
815.9 0 1.14661 1.29818i 0 1.03994i 0 1.19241i 0 −0.370556 2.97703i 0
815.10 0 1.14661 + 1.29818i 0 1.03994i 0 1.19241i 0 −0.370556 + 2.97703i 0
815.11 0 1.57294 0.725164i 0 2.86674i 0 4.50920i 0 1.94827 2.28128i 0
815.12 0 1.57294 + 0.725164i 0 2.86674i 0 4.50920i 0 1.94827 + 2.28128i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 815.12
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 1776.2.e.g 12
3.b odd 2 1 inner 1776.2.e.g 12
4.b odd 2 1 inner 1776.2.e.g 12
12.b even 2 1 inner 1776.2.e.g 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1776.2.e.g 12 1.a even 1 1 trivial
1776.2.e.g 12 3.b odd 2 1 inner
1776.2.e.g 12 4.b odd 2 1 inner
1776.2.e.g 12 12.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1776, [\chi])\):

\( T_{5}^{6} + 12T_{5}^{4} + 34T_{5}^{2} + 24 \) Copy content Toggle raw display
\( T_{7}^{6} + 23T_{7}^{4} + 56T_{7}^{2} + 36 \) Copy content Toggle raw display
\( T_{11}^{6} - 57T_{11}^{4} + 864T_{11}^{2} - 1944 \) Copy content Toggle raw display
\( T_{23}^{6} - 80T_{23}^{4} + 1526T_{23}^{2} - 216 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} \) Copy content Toggle raw display
$3$ \( T^{12} + T^{10} + \cdots + 729 \) Copy content Toggle raw display
$5$ \( (T^{6} + 12 T^{4} + \cdots + 24)^{2} \) Copy content Toggle raw display
$7$ \( (T^{6} + 23 T^{4} + \cdots + 36)^{2} \) Copy content Toggle raw display
$11$ \( (T^{6} - 57 T^{4} + \cdots - 1944)^{2} \) Copy content Toggle raw display
$13$ \( (T^{3} - 2 T^{2} - 24 T + 16)^{4} \) Copy content Toggle raw display
$17$ \( (T^{6} + 24 T^{4} + \cdots + 384)^{2} \) Copy content Toggle raw display
$19$ \( (T^{6} + 28 T^{4} + \cdots + 576)^{2} \) Copy content Toggle raw display
$23$ \( (T^{6} - 80 T^{4} + \cdots - 216)^{2} \) Copy content Toggle raw display
$29$ \( (T^{6} + 100 T^{4} + \cdots + 23064)^{2} \) Copy content Toggle raw display
$31$ \( (T^{6} + 28 T^{4} + \cdots + 576)^{2} \) Copy content Toggle raw display
$37$ \( (T - 1)^{12} \) Copy content Toggle raw display
$41$ \( (T^{6} + 51 T^{4} + \cdots + 1944)^{2} \) Copy content Toggle raw display
$43$ \( (T^{6} + 144 T^{4} + \cdots + 11664)^{2} \) Copy content Toggle raw display
$47$ \( (T^{6} - 65 T^{4} + \cdots - 216)^{2} \) Copy content Toggle raw display
$53$ \( (T^{6} + 99 T^{4} + \cdots + 1944)^{2} \) Copy content Toggle raw display
$59$ \( (T^{6} - 44 T^{4} + \cdots - 384)^{2} \) Copy content Toggle raw display
$61$ \( (T^{3} - 12 T^{2} + \cdots + 32)^{4} \) Copy content Toggle raw display
$67$ \( (T^{6} + 208 T^{4} + \cdots + 144)^{2} \) Copy content Toggle raw display
$71$ \( (T^{6} - 97 T^{4} + \cdots - 24)^{2} \) Copy content Toggle raw display
$73$ \( (T^{3} - 15 T^{2} + \cdots + 466)^{4} \) Copy content Toggle raw display
$79$ \( (T^{6} + 100 T^{4} + \cdots + 20736)^{2} \) Copy content Toggle raw display
$83$ \( (T^{6} - 569 T^{4} + \cdots - 2396544)^{2} \) Copy content Toggle raw display
$89$ \( (T^{6} + 144 T^{4} + \cdots + 6144)^{2} \) Copy content Toggle raw display
$97$ \( (T^{3} - 20 T^{2} + \cdots + 992)^{4} \) Copy content Toggle raw display
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