Properties

Label 1274.2.h.d
Level $1274$
Weight $2$
Character orbit 1274.h
Analytic conductor $10.173$
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] = [1274,2,Mod(263,1274)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1274, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([4, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1274.263");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1274 = 2 \cdot 7^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1274.h (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: \(10.1729412175\)
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 182)
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.

\(f(q)\) \(=\) \( q + \zeta_{6} q^{2} - 2 q^{3} + (\zeta_{6} - 1) q^{4} + (\zeta_{6} - 1) q^{5} - 2 \zeta_{6} q^{6} - q^{8} + q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{6} q^{2} - 2 q^{3} + (\zeta_{6} - 1) q^{4} + (\zeta_{6} - 1) q^{5} - 2 \zeta_{6} q^{6} - q^{8} + q^{9} - q^{10} + 2 q^{11} + ( - 2 \zeta_{6} + 2) q^{12} + ( - \zeta_{6} - 3) q^{13} + ( - 2 \zeta_{6} + 2) q^{15} - \zeta_{6} q^{16} + (\zeta_{6} - 1) q^{17} + \zeta_{6} q^{18} - 4 q^{19} - \zeta_{6} q^{20} + 2 \zeta_{6} q^{22} - 2 \zeta_{6} q^{23} + 2 q^{24} + 4 \zeta_{6} q^{25} + ( - 4 \zeta_{6} + 1) q^{26} + 4 q^{27} + ( - 5 \zeta_{6} + 5) q^{29} + 2 q^{30} - 6 \zeta_{6} q^{31} + ( - \zeta_{6} + 1) q^{32} - 4 q^{33} - q^{34} + (\zeta_{6} - 1) q^{36} - 7 \zeta_{6} q^{37} - 4 \zeta_{6} q^{38} + (2 \zeta_{6} + 6) q^{39} + ( - \zeta_{6} + 1) q^{40} + ( - 7 \zeta_{6} + 7) q^{41} + 2 \zeta_{6} q^{43} + (2 \zeta_{6} - 2) q^{44} + (\zeta_{6} - 1) q^{45} + ( - 2 \zeta_{6} + 2) q^{46} + 2 \zeta_{6} q^{48} + (4 \zeta_{6} - 4) q^{50} + ( - 2 \zeta_{6} + 2) q^{51} + ( - 3 \zeta_{6} + 4) q^{52} + 9 \zeta_{6} q^{53} + 4 \zeta_{6} q^{54} + (2 \zeta_{6} - 2) q^{55} + 8 q^{57} + 5 q^{58} + ( - 6 \zeta_{6} + 6) q^{59} + 2 \zeta_{6} q^{60} + 5 q^{61} + ( - 6 \zeta_{6} + 6) q^{62} + q^{64} + ( - 3 \zeta_{6} + 4) q^{65} - 4 \zeta_{6} q^{66} + 10 q^{67} - \zeta_{6} q^{68} + 4 \zeta_{6} q^{69} - 16 \zeta_{6} q^{71} - q^{72} + 3 \zeta_{6} q^{73} + ( - 7 \zeta_{6} + 7) q^{74} - 8 \zeta_{6} q^{75} + ( - 4 \zeta_{6} + 4) q^{76} + (8 \zeta_{6} - 2) q^{78} + ( - 10 \zeta_{6} + 10) q^{79} + q^{80} - 11 q^{81} + 7 q^{82} + 14 q^{83} - \zeta_{6} q^{85} + (2 \zeta_{6} - 2) q^{86} + (10 \zeta_{6} - 10) q^{87} - 2 q^{88} + 6 \zeta_{6} q^{89} - q^{90} + 2 q^{92} + 12 \zeta_{6} q^{93} + ( - 4 \zeta_{6} + 4) q^{95} + (2 \zeta_{6} - 2) q^{96} - 2 \zeta_{6} q^{97} + 2 q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + q^{2} - 4 q^{3} - q^{4} - q^{5} - 2 q^{6} - 2 q^{8} + 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + q^{2} - 4 q^{3} - q^{4} - q^{5} - 2 q^{6} - 2 q^{8} + 2 q^{9} - 2 q^{10} + 4 q^{11} + 2 q^{12} - 7 q^{13} + 2 q^{15} - q^{16} - q^{17} + q^{18} - 8 q^{19} - q^{20} + 2 q^{22} - 2 q^{23} + 4 q^{24} + 4 q^{25} - 2 q^{26} + 8 q^{27} + 5 q^{29} + 4 q^{30} - 6 q^{31} + q^{32} - 8 q^{33} - 2 q^{34} - q^{36} - 7 q^{37} - 4 q^{38} + 14 q^{39} + q^{40} + 7 q^{41} + 2 q^{43} - 2 q^{44} - q^{45} + 2 q^{46} + 2 q^{48} - 4 q^{50} + 2 q^{51} + 5 q^{52} + 9 q^{53} + 4 q^{54} - 2 q^{55} + 16 q^{57} + 10 q^{58} + 6 q^{59} + 2 q^{60} + 10 q^{61} + 6 q^{62} + 2 q^{64} + 5 q^{65} - 4 q^{66} + 20 q^{67} - q^{68} + 4 q^{69} - 16 q^{71} - 2 q^{72} + 3 q^{73} + 7 q^{74} - 8 q^{75} + 4 q^{76} + 4 q^{78} + 10 q^{79} + 2 q^{80} - 22 q^{81} + 14 q^{82} + 28 q^{83} - q^{85} - 2 q^{86} - 10 q^{87} - 4 q^{88} + 6 q^{89} - 2 q^{90} + 4 q^{92} + 12 q^{93} + 4 q^{95} - 2 q^{96} - 2 q^{97} + 4 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1274\mathbb{Z}\right)^\times\).

\(n\) \(197\) \(885\)
\(\chi(n)\) \(-\zeta_{6}\) \(-1 + \zeta_{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
263.1
0.500000 0.866025i
0.500000 + 0.866025i
0.500000 0.866025i −2.00000 −0.500000 0.866025i −0.500000 0.866025i −1.00000 + 1.73205i 0 −1.00000 1.00000 −1.00000
373.1 0.500000 + 0.866025i −2.00000 −0.500000 + 0.866025i −0.500000 + 0.866025i −1.00000 1.73205i 0 −1.00000 1.00000 −1.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
91.g even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1274.2.h.d 2
7.b odd 2 1 1274.2.h.m 2
7.c even 3 1 182.2.g.d 2
7.c even 3 1 1274.2.e.j 2
7.d odd 6 1 1274.2.e.c 2
7.d odd 6 1 1274.2.g.b 2
13.c even 3 1 1274.2.e.j 2
21.h odd 6 1 1638.2.r.e 2
28.g odd 6 1 1456.2.s.b 2
91.g even 3 1 inner 1274.2.h.d 2
91.g even 3 1 2366.2.a.b 1
91.h even 3 1 182.2.g.d 2
91.m odd 6 1 1274.2.h.m 2
91.n odd 6 1 1274.2.e.c 2
91.u even 6 1 2366.2.a.i 1
91.v odd 6 1 1274.2.g.b 2
91.bd odd 12 2 2366.2.d.c 2
273.s odd 6 1 1638.2.r.e 2
364.bi odd 6 1 1456.2.s.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
182.2.g.d 2 7.c even 3 1
182.2.g.d 2 91.h even 3 1
1274.2.e.c 2 7.d odd 6 1
1274.2.e.c 2 91.n odd 6 1
1274.2.e.j 2 7.c even 3 1
1274.2.e.j 2 13.c even 3 1
1274.2.g.b 2 7.d odd 6 1
1274.2.g.b 2 91.v odd 6 1
1274.2.h.d 2 1.a even 1 1 trivial
1274.2.h.d 2 91.g even 3 1 inner
1274.2.h.m 2 7.b odd 2 1
1274.2.h.m 2 91.m odd 6 1
1456.2.s.b 2 28.g odd 6 1
1456.2.s.b 2 364.bi odd 6 1
1638.2.r.e 2 21.h odd 6 1
1638.2.r.e 2 273.s odd 6 1
2366.2.a.b 1 91.g even 3 1
2366.2.a.i 1 91.u even 6 1
2366.2.d.c 2 91.bd odd 12 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1274, [\chi])\):

\( T_{3} + 2 \) Copy content Toggle raw display
\( T_{5}^{2} + T_{5} + 1 \) Copy content Toggle raw display
\( T_{11} - 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} - T + 1 \) Copy content Toggle raw display
$3$ \( (T + 2)^{2} \) Copy content Toggle raw display
$5$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$7$ \( T^{2} \) Copy content Toggle raw display
$11$ \( (T - 2)^{2} \) Copy content Toggle raw display
$13$ \( T^{2} + 7T + 13 \) Copy content Toggle raw display
$17$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$19$ \( (T + 4)^{2} \) Copy content Toggle raw display
$23$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
$29$ \( T^{2} - 5T + 25 \) Copy content Toggle raw display
$31$ \( T^{2} + 6T + 36 \) Copy content Toggle raw display
$37$ \( T^{2} + 7T + 49 \) Copy content Toggle raw display
$41$ \( T^{2} - 7T + 49 \) Copy content Toggle raw display
$43$ \( T^{2} - 2T + 4 \) Copy content Toggle raw display
$47$ \( T^{2} \) Copy content Toggle raw display
$53$ \( T^{2} - 9T + 81 \) Copy content Toggle raw display
$59$ \( T^{2} - 6T + 36 \) Copy content Toggle raw display
$61$ \( (T - 5)^{2} \) Copy content Toggle raw display
$67$ \( (T - 10)^{2} \) Copy content Toggle raw display
$71$ \( T^{2} + 16T + 256 \) Copy content Toggle raw display
$73$ \( T^{2} - 3T + 9 \) Copy content Toggle raw display
$79$ \( T^{2} - 10T + 100 \) Copy content Toggle raw display
$83$ \( (T - 14)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} - 6T + 36 \) Copy content Toggle raw display
$97$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
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