Properties

Label 841.2.d.c
Level $841$
Weight $2$
Character orbit 841.d
Analytic conductor $6.715$
Analytic rank $0$
Dimension $6$
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] = [841,2,Mod(190,841)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(841, base_ring=CyclotomicField(14))
 
chi = DirichletCharacter(H, H._module([2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("841.190");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 841 = 29^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 841.d (of order \(7\), degree \(6\), 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: \(6.71541880999\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: \(\Q(\zeta_{14})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 \) 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 29)
Sato-Tate group: $\mathrm{SU}(2)[C_{7}]$

$q$-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 \(\zeta_{14}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\zeta_{14}^{5} + \zeta_{14}^{3}) q^{2} + ( - \zeta_{14}^{3} + \zeta_{14}^{2}) q^{3} + (\zeta_{14}^{5} - \zeta_{14}^{4} + \cdots - 1) q^{4}+ \cdots + (2 \zeta_{14}^{5} + \zeta_{14}^{3} + \cdots - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\zeta_{14}^{5} + \zeta_{14}^{3}) q^{2} + ( - \zeta_{14}^{3} + \zeta_{14}^{2}) q^{3} + (\zeta_{14}^{5} - \zeta_{14}^{4} + \cdots - 1) q^{4}+ \cdots + ( - 2 \zeta_{14}^{5} + 3 \zeta_{14}^{4} + \cdots + 7) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 2 q^{2} - 2 q^{3} - 2 q^{4} + 8 q^{5} - 3 q^{6} + 8 q^{7} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q + 2 q^{2} - 2 q^{3} - 2 q^{4} + 8 q^{5} - 3 q^{6} + 8 q^{7} - q^{9} + 5 q^{10} + 4 q^{11} - 4 q^{12} + 16 q^{13} + 5 q^{14} - 12 q^{15} - 10 q^{16} - 8 q^{17} - 5 q^{18} + 6 q^{19} + 2 q^{20} + 2 q^{21} + 6 q^{22} + 14 q^{23} + 7 q^{24} + 25 q^{25} - 18 q^{26} - 17 q^{27} - 12 q^{28} - 18 q^{30} + 2 q^{31} + 6 q^{32} - 6 q^{33} + 2 q^{34} + 6 q^{35} + 5 q^{36} - 4 q^{37} - 5 q^{38} + 4 q^{39} + 7 q^{40} - 20 q^{41} + 3 q^{42} + 8 q^{43} + 15 q^{44} + q^{45} - 4 q^{47} + q^{48} + 27 q^{49} - q^{50} - 2 q^{51} + 11 q^{52} - 4 q^{53} - 15 q^{54} - 11 q^{55} - 7 q^{56} - 2 q^{57} - 56 q^{59} + 4 q^{60} - 10 q^{61} - 25 q^{62} - 6 q^{63} - 20 q^{64} - 9 q^{65} + 5 q^{66} - 2 q^{67} - 2 q^{68} - 7 q^{69} + 2 q^{70} + 4 q^{73} + q^{74} - 48 q^{75} + 5 q^{76} - 18 q^{77} - q^{78} - 12 q^{79} + 17 q^{80} + 11 q^{81} - 16 q^{82} + 10 q^{83} - 3 q^{84} + 8 q^{85} - 16 q^{86} + 42 q^{88} + 28 q^{89} + 5 q^{90} + 40 q^{91} - 7 q^{92} + 18 q^{93} - 34 q^{94} + q^{95} - 9 q^{96} + 34 q^{97} + 23 q^{98} + 32 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/841\mathbb{Z}\right)^\times\).

\(n\) \(2\)
\(\chi(n)\) \(-\zeta_{14}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
190.1
−0.623490 0.781831i
−0.623490 + 0.781831i
0.222521 + 0.974928i
0.900969 + 0.433884i
0.900969 0.433884i
0.222521 0.974928i
1.12349 + 0.541044i −1.12349 + 1.40881i −0.277479 0.347948i 3.64795 + 1.75676i −2.02446 + 0.974928i 0.431468 0.541044i −0.678448 2.97247i −0.0549581 0.240787i 3.14795 + 3.94740i
571.1 1.12349 0.541044i −1.12349 1.40881i −0.277479 + 0.347948i 3.64795 1.75676i −2.02446 0.974928i 0.431468 + 0.541044i −0.678448 + 2.97247i −0.0549581 + 0.240787i 3.14795 3.94740i
574.1 0.277479 0.347948i −0.277479 + 1.21572i 0.400969 + 1.75676i 0.431468 0.541044i 0.346011 + 0.433884i −0.0794168 + 0.347948i 1.52446 + 0.734141i 1.30194 + 0.626980i −0.0685317 0.300257i
605.1 −0.400969 + 1.75676i 0.400969 0.193096i −1.12349 0.541044i −0.0794168 + 0.347948i 0.178448 + 0.781831i 3.64795 1.75676i −0.846011 + 1.06086i −1.74698 + 2.19064i −0.579417 0.279032i
645.1 −0.400969 1.75676i 0.400969 + 0.193096i −1.12349 + 0.541044i −0.0794168 0.347948i 0.178448 0.781831i 3.64795 + 1.75676i −0.846011 1.06086i −1.74698 2.19064i −0.579417 + 0.279032i
778.1 0.277479 + 0.347948i −0.277479 1.21572i 0.400969 1.75676i 0.431468 + 0.541044i 0.346011 0.433884i −0.0794168 0.347948i 1.52446 0.734141i 1.30194 0.626980i −0.0685317 + 0.300257i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 190.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
29.d even 7 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 841.2.d.c 6
29.b even 2 1 841.2.d.b 6
29.c odd 4 2 841.2.e.c 12
29.d even 7 1 841.2.a.f 3
29.d even 7 2 841.2.d.a 6
29.d even 7 1 inner 841.2.d.c 6
29.d even 7 2 841.2.d.d 6
29.e even 14 2 29.2.d.a 6
29.e even 14 1 841.2.a.e 3
29.e even 14 1 841.2.d.b 6
29.e even 14 2 841.2.d.e 6
29.f odd 28 2 841.2.b.c 6
29.f odd 28 4 841.2.e.b 12
29.f odd 28 2 841.2.e.c 12
29.f odd 28 4 841.2.e.d 12
87.h odd 14 2 261.2.k.a 6
87.h odd 14 1 7569.2.a.r 3
87.j odd 14 1 7569.2.a.p 3
116.h odd 14 2 464.2.u.f 6
145.l even 14 2 725.2.l.b 6
145.q odd 28 4 725.2.r.b 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
29.2.d.a 6 29.e even 14 2
261.2.k.a 6 87.h odd 14 2
464.2.u.f 6 116.h odd 14 2
725.2.l.b 6 145.l even 14 2
725.2.r.b 12 145.q odd 28 4
841.2.a.e 3 29.e even 14 1
841.2.a.f 3 29.d even 7 1
841.2.b.c 6 29.f odd 28 2
841.2.d.a 6 29.d even 7 2
841.2.d.b 6 29.b even 2 1
841.2.d.b 6 29.e even 14 1
841.2.d.c 6 1.a even 1 1 trivial
841.2.d.c 6 29.d even 7 1 inner
841.2.d.d 6 29.d even 7 2
841.2.d.e 6 29.e even 14 2
841.2.e.b 12 29.f odd 28 4
841.2.e.c 12 29.c odd 4 2
841.2.e.c 12 29.f odd 28 2
841.2.e.d 12 29.f odd 28 4
7569.2.a.p 3 87.j odd 14 1
7569.2.a.r 3 87.h odd 14 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{6} - 2T_{2}^{5} + 4T_{2}^{4} - 8T_{2}^{3} + 9T_{2}^{2} - 4T_{2} + 1 \) acting on \(S_{2}^{\mathrm{new}}(841, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} - 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{6} + 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{6} - 8 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{6} - 8 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{6} - 4 T^{5} + \cdots + 1681 \) Copy content Toggle raw display
$13$ \( T^{6} - 16 T^{5} + \cdots + 1849 \) Copy content Toggle raw display
$17$ \( (T^{3} + 4 T^{2} - 4 T - 8)^{2} \) Copy content Toggle raw display
$19$ \( T^{6} - 6 T^{5} + \cdots + 169 \) Copy content Toggle raw display
$23$ \( T^{6} - 14 T^{5} + \cdots + 2401 \) Copy content Toggle raw display
$29$ \( T^{6} \) Copy content Toggle raw display
$31$ \( T^{6} - 2 T^{5} + \cdots + 6889 \) Copy content Toggle raw display
$37$ \( T^{6} + 4 T^{5} + \cdots + 1681 \) Copy content Toggle raw display
$41$ \( (T^{3} + 10 T^{2} + 24 T + 8)^{2} \) Copy content Toggle raw display
$43$ \( T^{6} - 8 T^{5} + \cdots + 169 \) Copy content Toggle raw display
$47$ \( T^{6} + 4 T^{5} + \cdots + 57121 \) Copy content Toggle raw display
$53$ \( T^{6} + 4 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$59$ \( (T^{3} + 28 T^{2} + \cdots + 728)^{2} \) Copy content Toggle raw display
$61$ \( T^{6} + 10 T^{5} + \cdots + 169 \) Copy content Toggle raw display
$67$ \( T^{6} + 2 T^{5} + \cdots + 169 \) Copy content Toggle raw display
$71$ \( T^{6} - 945 T^{3} + \cdots + 35721 \) Copy content Toggle raw display
$73$ \( T^{6} - 4 T^{5} + \cdots + 175561 \) Copy content Toggle raw display
$79$ \( T^{6} + 12 T^{5} + \cdots + 729 \) Copy content Toggle raw display
$83$ \( T^{6} - 10 T^{5} + \cdots + 28561 \) Copy content Toggle raw display
$89$ \( T^{6} - 28 T^{5} + \cdots + 8281 \) Copy content Toggle raw display
$97$ \( T^{6} - 34 T^{5} + \cdots + 169 \) Copy content Toggle raw display
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