Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [784,2,Mod(165,784)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(784, base_ring=CyclotomicField(12))
chi = DirichletCharacter(H, H._module([0, 3, 8]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("784.165");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 784 = 2^{4} \cdot 7^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 784.x (of order \(12\), degree \(4\), 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: | \(6.26027151847\) |
Analytic rank: | \(0\) |
Dimension: | \(48\) |
Relative dimension: | \(12\) over \(\Q(\zeta_{12})\) |
Twist minimal: | no (minimal twist has level 112) |
Sato-Tate group: | $\mathrm{SU}(2)[C_{12}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
165.1 | −1.41419 | + | 0.00789795i | −0.814813 | − | 3.04092i | 1.99988 | − | 0.0223384i | −0.501787 | + | 1.87270i | 1.17632 | + | 4.29401i | 0 | −2.82803 | + | 0.0473857i | −5.98523 | + | 3.45557i | 0.694833 | − | 2.65231i | ||
165.2 | −1.32577 | − | 0.492271i | 0.221819 | + | 0.827840i | 1.51534 | + | 1.30528i | 1.10095 | − | 4.10878i | 0.113440 | − | 1.20672i | 0 | −1.36644 | − | 2.47646i | 1.96196 | − | 1.13274i | −3.48224 | + | 4.90534i | ||
165.3 | −1.08254 | − | 0.909999i | 0.672759 | + | 2.51077i | 0.343804 | + | 1.97023i | −0.780276 | + | 2.91203i | 1.55651 | − | 3.33023i | 0 | 1.42072 | − | 2.44572i | −3.25328 | + | 1.87828i | 3.49463 | − | 2.44235i | ||
165.4 | −0.743894 | + | 1.20276i | 0.222846 | + | 0.831674i | −0.893243 | − | 1.78945i | −0.543265 | + | 2.02749i | −1.16607 | − | 0.350647i | 0 | 2.81674 | + | 0.256804i | 1.95606 | − | 1.12933i | −2.03445 | − | 2.16165i | ||
165.5 | −0.504093 | − | 1.32132i | −0.589510 | − | 2.20008i | −1.49178 | + | 1.33214i | 0.622192 | − | 2.32205i | −2.60985 | + | 1.88798i | 0 | 2.51218 | + | 1.29960i | −1.89476 | + | 1.09394i | −3.38182 | + | 0.348414i | ||
165.6 | −0.478757 | + | 1.33071i | −0.659252 | − | 2.46036i | −1.54158 | − | 1.27417i | 0.502490 | − | 1.87532i | 3.58965 | + | 0.300642i | 0 | 2.43360 | − | 1.44138i | −3.02070 | + | 1.74400i | 2.25494 | + | 1.56649i | ||
165.7 | 0.0582062 | − | 1.41302i | 0.523249 | + | 1.95279i | −1.99322 | − | 0.164492i | 0.256983 | − | 0.959072i | 2.78978 | − | 0.625694i | 0 | −0.348448 | + | 2.80688i | −0.941530 | + | 0.543593i | −1.34023 | − | 0.418944i | ||
165.8 | 0.438190 | + | 1.34461i | −0.0145698 | − | 0.0543752i | −1.61598 | + | 1.17839i | 0.337028 | − | 1.25781i | 0.0667293 | − | 0.0434174i | 0 | −2.29259 | − | 1.65651i | 2.59533 | − | 1.49842i | 1.83895 | − | 0.0979855i | ||
165.9 | 0.559929 | − | 1.29865i | −0.224854 | − | 0.839165i | −1.37296 | − | 1.45430i | −0.847576 | + | 3.16320i | −1.21568 | − | 0.177868i | 0 | −2.65738 | + | 0.968682i | 1.94444 | − | 1.12262i | 3.63329 | + | 2.87187i | ||
165.10 | 1.01114 | − | 0.988731i | −0.430984 | − | 1.60845i | 0.0448227 | − | 1.99950i | 0.522232 | − | 1.94900i | −2.02612 | − | 1.20025i | 0 | −1.93164 | − | 2.06610i | 0.196696 | − | 0.113563i | −1.39898 | − | 2.48706i | ||
165.11 | 1.07234 | + | 0.922005i | 0.781062 | + | 2.91496i | 0.299815 | + | 1.97740i | −0.199758 | + | 0.745506i | −1.85005 | + | 3.84597i | 0 | −1.50167 | + | 2.39687i | −5.28887 | + | 3.05353i | −0.901568 | + | 0.615256i | ||
165.12 | 1.40944 | − | 0.116052i | 0.312249 | + | 1.16533i | 1.97306 | − | 0.327139i | 0.262843 | − | 0.980942i | 0.575337 | + | 1.60623i | 0 | 2.74296 | − | 0.690063i | 1.33758 | − | 0.772254i | 0.256621 | − | 1.41309i | ||
373.1 | −1.40462 | + | 0.164410i | 0.839165 | + | 0.224854i | 1.94594 | − | 0.461868i | 3.16320 | − | 0.847576i | −1.21568 | − | 0.177868i | 0 | −2.65738 | + | 0.968682i | −1.94444 | − | 1.12262i | −4.30375 | + | 1.71059i | ||
373.2 | −1.36184 | − | 0.381311i | 1.60845 | + | 0.430984i | 1.70920 | + | 1.03857i | −1.94900 | + | 0.522232i | −2.02612 | − | 1.20025i | 0 | −1.93164 | − | 2.06610i | −0.196696 | − | 0.113563i | 2.85335 | + | 0.0319777i | ||
373.3 | −1.25281 | + | 0.656100i | −1.95279 | − | 0.523249i | 1.13907 | − | 1.64394i | −0.959072 | + | 0.256983i | 2.78978 | − | 0.625694i | 0 | −0.348448 | + | 2.80688i | 0.941530 | + | 0.543593i | 1.03293 | − | 0.951197i | ||
373.4 | −0.892252 | + | 1.09722i | 2.20008 | + | 0.589510i | −0.407774 | − | 1.95799i | −2.32205 | + | 0.622192i | −2.60985 | + | 1.88798i | 0 | 2.51218 | + | 1.29960i | 1.89476 | + | 1.09394i | 1.38918 | − | 3.10295i | ||
373.5 | −0.805226 | − | 1.16259i | −1.16533 | − | 0.312249i | −0.703221 | + | 1.87229i | −0.980942 | + | 0.262843i | 0.575337 | + | 1.60623i | 0 | 2.74296 | − | 0.690063i | −1.33758 | − | 0.772254i | 1.09546 | + | 0.928784i | ||
373.6 | −0.246810 | + | 1.39251i | −2.51077 | − | 0.672759i | −1.87817 | − | 0.687371i | 2.91203 | − | 0.780276i | 1.55651 | − | 3.33023i | 0 | 1.42072 | − | 2.44572i | 3.25328 | + | 1.87828i | 0.367824 | + | 4.24761i | ||
373.7 | 0.236566 | + | 1.39429i | −0.827840 | − | 0.221819i | −1.88807 | + | 0.659683i | −4.10878 | + | 1.10095i | 0.113440 | − | 1.20672i | 0 | −1.36644 | − | 2.47646i | −1.96196 | − | 1.13274i | −2.50703 | − | 5.46838i | ||
373.8 | 0.262311 | − | 1.38967i | −2.91496 | − | 0.781062i | −1.86239 | − | 0.729053i | 0.745506 | − | 0.199758i | −1.85005 | + | 3.84597i | 0 | −1.50167 | + | 2.39687i | 5.28887 | + | 3.05353i | −0.0820438 | − | 1.08841i | ||
See all 48 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
7.c | even | 3 | 1 | inner |
16.e | even | 4 | 1 | inner |
112.w | even | 12 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 784.2.x.o | 48 | |
7.b | odd | 2 | 1 | 112.2.w.c | ✓ | 48 | |
7.c | even | 3 | 1 | 784.2.m.k | 24 | ||
7.c | even | 3 | 1 | inner | 784.2.x.o | 48 | |
7.d | odd | 6 | 1 | 112.2.w.c | ✓ | 48 | |
7.d | odd | 6 | 1 | 784.2.m.j | 24 | ||
16.e | even | 4 | 1 | inner | 784.2.x.o | 48 | |
28.d | even | 2 | 1 | 448.2.ba.c | 48 | ||
28.f | even | 6 | 1 | 448.2.ba.c | 48 | ||
56.e | even | 2 | 1 | 896.2.ba.e | 48 | ||
56.h | odd | 2 | 1 | 896.2.ba.f | 48 | ||
56.j | odd | 6 | 1 | 896.2.ba.f | 48 | ||
56.m | even | 6 | 1 | 896.2.ba.e | 48 | ||
112.j | even | 4 | 1 | 448.2.ba.c | 48 | ||
112.j | even | 4 | 1 | 896.2.ba.e | 48 | ||
112.l | odd | 4 | 1 | 112.2.w.c | ✓ | 48 | |
112.l | odd | 4 | 1 | 896.2.ba.f | 48 | ||
112.v | even | 12 | 1 | 448.2.ba.c | 48 | ||
112.v | even | 12 | 1 | 896.2.ba.e | 48 | ||
112.w | even | 12 | 1 | 784.2.m.k | 24 | ||
112.w | even | 12 | 1 | inner | 784.2.x.o | 48 | |
112.x | odd | 12 | 1 | 112.2.w.c | ✓ | 48 | |
112.x | odd | 12 | 1 | 784.2.m.j | 24 | ||
112.x | odd | 12 | 1 | 896.2.ba.f | 48 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
112.2.w.c | ✓ | 48 | 7.b | odd | 2 | 1 | |
112.2.w.c | ✓ | 48 | 7.d | odd | 6 | 1 | |
112.2.w.c | ✓ | 48 | 112.l | odd | 4 | 1 | |
112.2.w.c | ✓ | 48 | 112.x | odd | 12 | 1 | |
448.2.ba.c | 48 | 28.d | even | 2 | 1 | ||
448.2.ba.c | 48 | 28.f | even | 6 | 1 | ||
448.2.ba.c | 48 | 112.j | even | 4 | 1 | ||
448.2.ba.c | 48 | 112.v | even | 12 | 1 | ||
784.2.m.j | 24 | 7.d | odd | 6 | 1 | ||
784.2.m.j | 24 | 112.x | odd | 12 | 1 | ||
784.2.m.k | 24 | 7.c | even | 3 | 1 | ||
784.2.m.k | 24 | 112.w | even | 12 | 1 | ||
784.2.x.o | 48 | 1.a | even | 1 | 1 | trivial | |
784.2.x.o | 48 | 7.c | even | 3 | 1 | inner | |
784.2.x.o | 48 | 16.e | even | 4 | 1 | inner | |
784.2.x.o | 48 | 112.w | even | 12 | 1 | inner | |
896.2.ba.e | 48 | 56.e | even | 2 | 1 | ||
896.2.ba.e | 48 | 56.m | even | 6 | 1 | ||
896.2.ba.e | 48 | 112.j | even | 4 | 1 | ||
896.2.ba.e | 48 | 112.v | even | 12 | 1 | ||
896.2.ba.f | 48 | 56.h | odd | 2 | 1 | ||
896.2.ba.f | 48 | 56.j | odd | 6 | 1 | ||
896.2.ba.f | 48 | 112.l | odd | 4 | 1 | ||
896.2.ba.f | 48 | 112.x | odd | 12 | 1 |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(784, [\chi])\):
\( T_{3}^{48} - 8 T_{3}^{45} - 162 T_{3}^{44} + 24 T_{3}^{43} + 32 T_{3}^{42} + 1116 T_{3}^{41} + \cdots + 194481 \) |
\( T_{5}^{48} + 4 T_{5}^{47} + 8 T_{5}^{46} + 40 T_{5}^{45} - 186 T_{5}^{44} - 1252 T_{5}^{43} + \cdots + 7076456545921 \) |