Properties

Label 650.2.n.b
Level $650$
Weight $2$
Character orbit 650.n
Analytic conductor $5.190$
Analytic rank $0$
Dimension $4$
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] = [650,2,Mod(49,650)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(650, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 5]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("650.49");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 650 = 2 \cdot 5^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 650.n (of order \(6\), 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: \(5.19027613138\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\zeta_{12})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 130)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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 \(\zeta_{12}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \zeta_{12}^{2} q^{2} + (\zeta_{12}^{3} - \zeta_{12}^{2} + \cdots + 2) q^{3}+ \cdots + (4 \zeta_{12}^{3} - \zeta_{12}^{2} + \cdots + 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{12}^{2} q^{2} + (\zeta_{12}^{3} - \zeta_{12}^{2} + \cdots + 2) q^{3}+ \cdots + ( - 3 \zeta_{12}^{3} + 12 \zeta_{12}^{2} - 6) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 2 q^{2} + 6 q^{3} - 2 q^{4} + 6 q^{6} + 6 q^{7} - 4 q^{8} + 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 2 q^{2} + 6 q^{3} - 2 q^{4} + 6 q^{6} + 6 q^{7} - 4 q^{8} + 2 q^{9} + 12 q^{14} - 2 q^{16} + 18 q^{17} + 4 q^{18} + 12 q^{19} + 12 q^{23} - 6 q^{24} + 6 q^{28} - 12 q^{29} + 2 q^{32} - 6 q^{33} + 2 q^{36} + 12 q^{37} - 4 q^{39} - 36 q^{41} + 18 q^{42} + 12 q^{46} - 12 q^{47} - 6 q^{48} - 4 q^{49} + 24 q^{51} - 6 q^{56} + 36 q^{57} + 12 q^{58} - 36 q^{59} - 2 q^{61} + 6 q^{62} - 6 q^{63} + 4 q^{64} - 12 q^{66} - 18 q^{68} - 2 q^{72} + 12 q^{73} - 12 q^{74} - 12 q^{76} + 10 q^{78} - 4 q^{79} - 2 q^{81} - 36 q^{82} - 12 q^{83} + 18 q^{84} - 48 q^{87} + 18 q^{89} - 6 q^{94} - 6 q^{97} + 4 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/650\mathbb{Z}\right)^\times\).

\(n\) \(27\) \(301\)
\(\chi(n)\) \(-1\) \(1 - \zeta_{12}^{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
49.1
0.866025 + 0.500000i
−0.866025 0.500000i
0.866025 0.500000i
−0.866025 + 0.500000i
0.500000 + 0.866025i 0.633975 0.366025i −0.500000 + 0.866025i 0 0.633975 + 0.366025i 1.50000 2.59808i −1.00000 −1.23205 + 2.13397i 0
49.2 0.500000 + 0.866025i 2.36603 1.36603i −0.500000 + 0.866025i 0 2.36603 + 1.36603i 1.50000 2.59808i −1.00000 2.23205 3.86603i 0
199.1 0.500000 0.866025i 0.633975 + 0.366025i −0.500000 0.866025i 0 0.633975 0.366025i 1.50000 + 2.59808i −1.00000 −1.23205 2.13397i 0
199.2 0.500000 0.866025i 2.36603 + 1.36603i −0.500000 0.866025i 0 2.36603 1.36603i 1.50000 + 2.59808i −1.00000 2.23205 + 3.86603i 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
65.l even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 650.2.n.b 4
5.b even 2 1 650.2.n.a 4
5.c odd 4 1 130.2.l.a 4
5.c odd 4 1 650.2.m.a 4
13.e even 6 1 650.2.n.a 4
15.e even 4 1 1170.2.bs.c 4
20.e even 4 1 1040.2.da.a 4
65.f even 4 1 1690.2.e.l 4
65.h odd 4 1 1690.2.l.g 4
65.k even 4 1 1690.2.e.n 4
65.l even 6 1 inner 650.2.n.b 4
65.o even 12 1 1690.2.a.j 2
65.o even 12 1 1690.2.e.n 4
65.o even 12 1 8450.2.a.bf 2
65.q odd 12 1 1690.2.d.f 4
65.q odd 12 1 1690.2.l.g 4
65.r odd 12 1 130.2.l.a 4
65.r odd 12 1 650.2.m.a 4
65.r odd 12 1 1690.2.d.f 4
65.t even 12 1 1690.2.a.m 2
65.t even 12 1 1690.2.e.l 4
65.t even 12 1 8450.2.a.bm 2
195.bf even 12 1 1170.2.bs.c 4
260.bg even 12 1 1040.2.da.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
130.2.l.a 4 5.c odd 4 1
130.2.l.a 4 65.r odd 12 1
650.2.m.a 4 5.c odd 4 1
650.2.m.a 4 65.r odd 12 1
650.2.n.a 4 5.b even 2 1
650.2.n.a 4 13.e even 6 1
650.2.n.b 4 1.a even 1 1 trivial
650.2.n.b 4 65.l even 6 1 inner
1040.2.da.a 4 20.e even 4 1
1040.2.da.a 4 260.bg even 12 1
1170.2.bs.c 4 15.e even 4 1
1170.2.bs.c 4 195.bf even 12 1
1690.2.a.j 2 65.o even 12 1
1690.2.a.m 2 65.t even 12 1
1690.2.d.f 4 65.q odd 12 1
1690.2.d.f 4 65.r odd 12 1
1690.2.e.l 4 65.f even 4 1
1690.2.e.l 4 65.t even 12 1
1690.2.e.n 4 65.k even 4 1
1690.2.e.n 4 65.o even 12 1
1690.2.l.g 4 65.h odd 4 1
1690.2.l.g 4 65.q odd 12 1
8450.2.a.bf 2 65.o even 12 1
8450.2.a.bm 2 65.t even 12 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{4} - 6T_{3}^{3} + 14T_{3}^{2} - 12T_{3} + 4 \) acting on \(S_{2}^{\mathrm{new}}(650, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} - T + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{4} - 6 T^{3} + \cdots + 4 \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( (T^{2} - 3 T + 9)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} - 9T^{2} + 81 \) Copy content Toggle raw display
$13$ \( T^{4} + 23T^{2} + 169 \) Copy content Toggle raw display
$17$ \( T^{4} - 18 T^{3} + \cdots + 324 \) Copy content Toggle raw display
$19$ \( T^{4} - 12 T^{3} + \cdots + 9 \) Copy content Toggle raw display
$23$ \( T^{4} - 12 T^{3} + \cdots + 576 \) Copy content Toggle raw display
$29$ \( T^{4} + 12 T^{3} + \cdots + 576 \) Copy content Toggle raw display
$31$ \( T^{4} + 24T^{2} + 36 \) Copy content Toggle raw display
$37$ \( T^{4} - 12 T^{3} + \cdots + 81 \) Copy content Toggle raw display
$41$ \( (T^{2} + 18 T + 108)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} - 4T^{2} + 16 \) Copy content Toggle raw display
$47$ \( (T + 3)^{4} \) Copy content Toggle raw display
$53$ \( T^{4} + 42T^{2} + 9 \) Copy content Toggle raw display
$59$ \( (T^{2} + 18 T + 108)^{2} \) Copy content Toggle raw display
$61$ \( T^{4} + 2 T^{3} + \cdots + 676 \) Copy content Toggle raw display
$67$ \( T^{4} \) Copy content Toggle raw display
$71$ \( T^{4} - 36T^{2} + 1296 \) Copy content Toggle raw display
$73$ \( (T^{2} - 6 T - 66)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} + 2 T - 26)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} + 6 T - 18)^{2} \) Copy content Toggle raw display
$89$ \( T^{4} - 18 T^{3} + \cdots + 13689 \) Copy content Toggle raw display
$97$ \( T^{4} + 6 T^{3} + \cdots + 19044 \) Copy content Toggle raw display
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