Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [285,2,Mod(77,285)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(285, base_ring=CyclotomicField(4))
chi = DirichletCharacter(H, H._module([2, 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("285.77");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 285 = 3 \cdot 5 \cdot 19 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 285.k (of order \(4\), 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: | \(2.27573645761\) |
Analytic rank: | \(0\) |
Dimension: | \(36\) |
Relative dimension: | \(18\) over \(\Q(i)\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{4}]$ |
$q$-expansion
The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
77.1 | −1.91639 | + | 1.91639i | −0.520717 | − | 1.65192i | − | 5.34506i | 0.478119 | − | 2.18435i | 4.16362 | + | 2.16783i | −1.54943 | − | 1.54943i | 6.41043 | + | 6.41043i | −2.45771 | + | 1.72037i | 3.26980 | + | 5.10232i | |
77.2 | −1.87817 | + | 1.87817i | 1.11989 | + | 1.32130i | − | 5.05506i | −1.67041 | + | 1.48652i | −4.58498 | − | 0.378288i | 2.61406 | + | 2.61406i | 5.73793 | + | 5.73793i | −0.491688 | + | 2.95943i | 0.345374 | − | 5.92925i | |
77.3 | −1.53257 | + | 1.53257i | 1.34142 | − | 1.09572i | − | 2.69753i | 2.05989 | + | 0.869965i | −0.376555 | + | 3.73508i | 1.55058 | + | 1.55058i | 1.06901 | + | 1.06901i | 0.598810 | − | 2.93963i | −4.49021 | + | 1.82365i | |
77.4 | −1.43829 | + | 1.43829i | −1.69247 | − | 0.368185i | − | 2.13738i | −2.18737 | + | 0.464149i | 2.96382 | − | 1.90470i | −1.23221 | − | 1.23221i | 0.197591 | + | 0.197591i | 2.72888 | + | 1.24628i | 2.47849 | − | 3.81366i | |
77.5 | −0.885404 | + | 0.885404i | −0.193756 | + | 1.72118i | 0.432118i | −0.370079 | + | 2.20523i | −1.35239 | − | 1.69549i | 0.957875 | + | 0.957875i | −2.15341 | − | 2.15341i | −2.92492 | − | 0.666976i | −1.62485 | − | 2.28019i | ||
77.6 | −0.637774 | + | 0.637774i | −1.73195 | − | 0.0191055i | 1.18649i | 1.18060 | + | 1.89899i | 1.11677 | − | 1.09240i | 2.03027 | + | 2.03027i | −2.03226 | − | 2.03226i | 2.99927 | + | 0.0661793i | −1.96409 | − | 0.458173i | ||
77.7 | −0.631220 | + | 0.631220i | −1.41501 | + | 0.998873i | 1.20312i | 1.34140 | − | 1.78903i | 0.262674 | − | 1.52369i | −3.10938 | − | 3.10938i | −2.02187 | − | 2.02187i | 1.00451 | − | 2.82683i | 0.282552 | + | 1.97599i | ||
77.8 | −0.538497 | + | 0.538497i | 1.54795 | + | 0.777077i | 1.42004i | 1.01787 | − | 1.99096i | −1.25202 | + | 0.415113i | 1.88175 | + | 1.88175i | −1.84168 | − | 1.84168i | 1.79230 | + | 2.40575i | 0.524007 | + | 1.62025i | ||
77.9 | −0.0580413 | + | 0.0580413i | 0.605290 | − | 1.62284i | 1.99326i | −1.89399 | − | 1.18861i | 0.0590602 | + | 0.129324i | −2.14350 | − | 2.14350i | −0.231774 | − | 0.231774i | −2.26725 | − | 1.96458i | 0.178918 | − | 0.0409414i | ||
77.10 | 0.0580413 | − | 0.0580413i | 1.62284 | − | 0.605290i | 1.99326i | 1.89399 | + | 1.18861i | 0.0590602 | − | 0.129324i | −2.14350 | − | 2.14350i | 0.231774 | + | 0.231774i | 2.26725 | − | 1.96458i | 0.178918 | − | 0.0409414i | ||
77.11 | 0.538497 | − | 0.538497i | −0.777077 | − | 1.54795i | 1.42004i | −1.01787 | + | 1.99096i | −1.25202 | − | 0.415113i | 1.88175 | + | 1.88175i | 1.84168 | + | 1.84168i | −1.79230 | + | 2.40575i | 0.524007 | + | 1.62025i | ||
77.12 | 0.631220 | − | 0.631220i | −0.998873 | + | 1.41501i | 1.20312i | −1.34140 | + | 1.78903i | 0.262674 | + | 1.52369i | −3.10938 | − | 3.10938i | 2.02187 | + | 2.02187i | −1.00451 | − | 2.82683i | 0.282552 | + | 1.97599i | ||
77.13 | 0.637774 | − | 0.637774i | 0.0191055 | + | 1.73195i | 1.18649i | −1.18060 | − | 1.89899i | 1.11677 | + | 1.09240i | 2.03027 | + | 2.03027i | 2.03226 | + | 2.03226i | −2.99927 | + | 0.0661793i | −1.96409 | − | 0.458173i | ||
77.14 | 0.885404 | − | 0.885404i | −1.72118 | + | 0.193756i | 0.432118i | 0.370079 | − | 2.20523i | −1.35239 | + | 1.69549i | 0.957875 | + | 0.957875i | 2.15341 | + | 2.15341i | 2.92492 | − | 0.666976i | −1.62485 | − | 2.28019i | ||
77.15 | 1.43829 | − | 1.43829i | 0.368185 | + | 1.69247i | − | 2.13738i | 2.18737 | − | 0.464149i | 2.96382 | + | 1.90470i | −1.23221 | − | 1.23221i | −0.197591 | − | 0.197591i | −2.72888 | + | 1.24628i | 2.47849 | − | 3.81366i | |
77.16 | 1.53257 | − | 1.53257i | 1.09572 | − | 1.34142i | − | 2.69753i | −2.05989 | − | 0.869965i | −0.376555 | − | 3.73508i | 1.55058 | + | 1.55058i | −1.06901 | − | 1.06901i | −0.598810 | − | 2.93963i | −4.49021 | + | 1.82365i | |
77.17 | 1.87817 | − | 1.87817i | −1.32130 | − | 1.11989i | − | 5.05506i | 1.67041 | − | 1.48652i | −4.58498 | + | 0.378288i | 2.61406 | + | 2.61406i | −5.73793 | − | 5.73793i | 0.491688 | + | 2.95943i | 0.345374 | − | 5.92925i | |
77.18 | 1.91639 | − | 1.91639i | 1.65192 | + | 0.520717i | − | 5.34506i | −0.478119 | + | 2.18435i | 4.16362 | − | 2.16783i | −1.54943 | − | 1.54943i | −6.41043 | − | 6.41043i | 2.45771 | + | 1.72037i | 3.26980 | + | 5.10232i | |
248.1 | −1.91639 | − | 1.91639i | −0.520717 | + | 1.65192i | 5.34506i | 0.478119 | + | 2.18435i | 4.16362 | − | 2.16783i | −1.54943 | + | 1.54943i | 6.41043 | − | 6.41043i | −2.45771 | − | 1.72037i | 3.26980 | − | 5.10232i | ||
248.2 | −1.87817 | − | 1.87817i | 1.11989 | − | 1.32130i | 5.05506i | −1.67041 | − | 1.48652i | −4.58498 | + | 0.378288i | 2.61406 | − | 2.61406i | 5.73793 | − | 5.73793i | −0.491688 | − | 2.95943i | 0.345374 | + | 5.92925i | ||
See all 36 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
5.c | odd | 4 | 1 | inner |
15.e | even | 4 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 285.2.k.d | ✓ | 36 |
3.b | odd | 2 | 1 | inner | 285.2.k.d | ✓ | 36 |
5.c | odd | 4 | 1 | inner | 285.2.k.d | ✓ | 36 |
15.e | even | 4 | 1 | inner | 285.2.k.d | ✓ | 36 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
285.2.k.d | ✓ | 36 | 1.a | even | 1 | 1 | trivial |
285.2.k.d | ✓ | 36 | 3.b | odd | 2 | 1 | inner |
285.2.k.d | ✓ | 36 | 5.c | odd | 4 | 1 | inner |
285.2.k.d | ✓ | 36 | 15.e | even | 4 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{36} + 147 T_{2}^{32} + 7717 T_{2}^{28} + 174263 T_{2}^{24} + 1640199 T_{2}^{20} + 4869629 T_{2}^{16} + \cdots + 16 \) acting on \(S_{2}^{\mathrm{new}}(285, [\chi])\).