Properties

Label 847.2.e.j
Level $847$
Weight $2$
Character orbit 847.e
Analytic conductor $6.763$
Analytic rank $0$
Dimension $28$
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] = [847,2,Mod(485,847)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(847, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([2, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("847.485");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 847 = 7 \cdot 11^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 847.e (of order \(3\), degree \(2\), 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: \(6.76332905120\)
Analytic rank: \(0\)
Dimension: \(28\)
Relative dimension: \(14\) over \(\Q(\zeta_{3})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-expansion

The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 28 q + 6 q^{3} - 16 q^{4} + 8 q^{5} - 12 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 28 q + 6 q^{3} - 16 q^{4} + 8 q^{5} - 12 q^{9} + 6 q^{12} + 4 q^{14} - 28 q^{15} - 12 q^{16} - 40 q^{20} - 4 q^{23} - 22 q^{25} + 18 q^{26} - 96 q^{27} + 20 q^{31} - 96 q^{34} - 56 q^{36} + 44 q^{38} + 44 q^{47} + 80 q^{48} + 20 q^{49} + 4 q^{53} + 18 q^{56} - 26 q^{58} + 56 q^{59} + 84 q^{60} + 60 q^{64} + 46 q^{67} + 4 q^{69} + 82 q^{70} + 4 q^{71} + 30 q^{75} + 140 q^{78} + 44 q^{80} - 62 q^{81} + 86 q^{82} - 72 q^{86} + 72 q^{89} + 28 q^{91} - 80 q^{92} - 72 q^{93} - 56 q^{97}+O(q^{100}) \) Copy content Toggle raw display

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
485.1 −1.32785 + 2.29990i −0.249514 0.432170i −2.52636 4.37579i 1.76072 3.04966i 1.32526 1.92934 1.81043i 8.10710 1.37549 2.38241i 4.67594 + 8.09897i
485.2 −1.22945 + 2.12947i 0.276930 + 0.479656i −2.02311 3.50413i −0.620518 + 1.07477i −1.36189 −2.34245 1.23001i 5.03146 1.34662 2.33241i −1.52579 2.64275i
485.3 −0.945348 + 1.63739i 1.42149 + 2.46210i −0.787365 1.36376i −1.73847 + 3.01112i −5.37522 2.58119 + 0.580920i −0.804055 −2.54129 + 4.40164i −3.28692 5.69311i
485.4 −0.830383 + 1.43827i −1.16938 2.02543i −0.379072 0.656572i 1.38656 2.40159i 3.88414 2.09572 1.61492i −2.06243 −1.23491 + 2.13892i 2.30275 + 3.98848i
485.5 −0.614728 + 1.06474i 1.62503 + 2.81463i 0.244219 + 0.423000i 1.29373 2.24080i −3.99581 0.255479 + 2.63339i −3.05942 −3.78144 + 6.54965i 1.59058 + 2.75496i
485.6 −0.503676 + 0.872392i 0.297921 + 0.516014i 0.492622 + 0.853246i 0.793525 1.37442i −0.600222 −2.26989 + 1.35927i −3.00719 1.32249 2.29061i 0.799358 + 1.38453i
485.7 −0.102308 + 0.177202i −0.702479 1.21673i 0.979066 + 1.69579i −0.875546 + 1.51649i 0.287475 −1.23221 + 2.34129i −0.809894 0.513047 0.888624i −0.179150 0.310297i
485.8 0.102308 0.177202i −0.702479 1.21673i 0.979066 + 1.69579i −0.875546 + 1.51649i −0.287475 1.23221 2.34129i 0.809894 0.513047 0.888624i 0.179150 + 0.310297i
485.9 0.503676 0.872392i 0.297921 + 0.516014i 0.492622 + 0.853246i 0.793525 1.37442i 0.600222 2.26989 1.35927i 3.00719 1.32249 2.29061i −0.799358 1.38453i
485.10 0.614728 1.06474i 1.62503 + 2.81463i 0.244219 + 0.423000i 1.29373 2.24080i 3.99581 −0.255479 2.63339i 3.05942 −3.78144 + 6.54965i −1.59058 2.75496i
485.11 0.830383 1.43827i −1.16938 2.02543i −0.379072 0.656572i 1.38656 2.40159i −3.88414 −2.09572 + 1.61492i 2.06243 −1.23491 + 2.13892i −2.30275 3.98848i
485.12 0.945348 1.63739i 1.42149 + 2.46210i −0.787365 1.36376i −1.73847 + 3.01112i 5.37522 −2.58119 0.580920i 0.804055 −2.54129 + 4.40164i 3.28692 + 5.69311i
485.13 1.22945 2.12947i 0.276930 + 0.479656i −2.02311 3.50413i −0.620518 + 1.07477i 1.36189 2.34245 + 1.23001i −5.03146 1.34662 2.33241i 1.52579 + 2.64275i
485.14 1.32785 2.29990i −0.249514 0.432170i −2.52636 4.37579i 1.76072 3.04966i −1.32526 −1.92934 + 1.81043i −8.10710 1.37549 2.38241i −4.67594 8.09897i
606.1 −1.32785 2.29990i −0.249514 + 0.432170i −2.52636 + 4.37579i 1.76072 + 3.04966i 1.32526 1.92934 + 1.81043i 8.10710 1.37549 + 2.38241i 4.67594 8.09897i
606.2 −1.22945 2.12947i 0.276930 0.479656i −2.02311 + 3.50413i −0.620518 1.07477i −1.36189 −2.34245 + 1.23001i 5.03146 1.34662 + 2.33241i −1.52579 + 2.64275i
606.3 −0.945348 1.63739i 1.42149 2.46210i −0.787365 + 1.36376i −1.73847 3.01112i −5.37522 2.58119 0.580920i −0.804055 −2.54129 4.40164i −3.28692 + 5.69311i
606.4 −0.830383 1.43827i −1.16938 + 2.02543i −0.379072 + 0.656572i 1.38656 + 2.40159i 3.88414 2.09572 + 1.61492i −2.06243 −1.23491 2.13892i 2.30275 3.98848i
606.5 −0.614728 1.06474i 1.62503 2.81463i 0.244219 0.423000i 1.29373 + 2.24080i −3.99581 0.255479 2.63339i −3.05942 −3.78144 6.54965i 1.59058 2.75496i
606.6 −0.503676 0.872392i 0.297921 0.516014i 0.492622 0.853246i 0.793525 + 1.37442i −0.600222 −2.26989 1.35927i −3.00719 1.32249 + 2.29061i 0.799358 1.38453i
See all 28 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 485.14
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.c even 3 1 inner
11.b odd 2 1 inner
77.h odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 847.2.e.j 28
7.c even 3 1 inner 847.2.e.j 28
7.c even 3 1 5929.2.a.cd 14
7.d odd 6 1 5929.2.a.ce 14
11.b odd 2 1 inner 847.2.e.j 28
11.c even 5 4 847.2.n.n 112
11.d odd 10 4 847.2.n.n 112
77.h odd 6 1 inner 847.2.e.j 28
77.h odd 6 1 5929.2.a.cd 14
77.i even 6 1 5929.2.a.ce 14
77.m even 15 4 847.2.n.n 112
77.o odd 30 4 847.2.n.n 112
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
847.2.e.j 28 1.a even 1 1 trivial
847.2.e.j 28 7.c even 3 1 inner
847.2.e.j 28 11.b odd 2 1 inner
847.2.e.j 28 77.h odd 6 1 inner
847.2.n.n 112 11.c even 5 4
847.2.n.n 112 11.d odd 10 4
847.2.n.n 112 77.m even 15 4
847.2.n.n 112 77.o odd 30 4
5929.2.a.cd 14 7.c even 3 1
5929.2.a.cd 14 77.h odd 6 1
5929.2.a.ce 14 7.d odd 6 1
5929.2.a.ce 14 77.i even 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{28} + 22 T_{2}^{26} + 297 T_{2}^{24} + 2556 T_{2}^{22} + 16162 T_{2}^{20} + 73980 T_{2}^{18} + \cdots + 729 \) acting on \(S_{2}^{\mathrm{new}}(847, [\chi])\). Copy content Toggle raw display