Properties

Label 1728.3.g
Level $1728$
Weight $3$
Character orbit 1728.g
Rep. character $\chi_{1728}(703,\cdot)$
Character field $\Q$
Dimension $64$
Newform subspaces $14$
Sturm bound $864$
Trace bound $13$

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Defining parameters

Level: \( N \) \(=\) \( 1728 = 2^{6} \cdot 3^{3} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1728.g (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 4 \)
Character field: \(\Q\)
Newform subspaces: \( 14 \)
Sturm bound: \(864\)
Trace bound: \(13\)
Distinguishing \(T_p\): \(5\), \(7\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{3}(1728, [\chi])\).

Total New Old
Modular forms 612 64 548
Cusp forms 540 64 476
Eisenstein series 72 0 72

Trace form

\( 64 q + O(q^{10}) \) \( 64 q + 16 q^{13} + 320 q^{25} + 80 q^{37} - 448 q^{49} - 144 q^{61} - 160 q^{85} + 32 q^{97} + O(q^{100}) \)

Decomposition of \(S_{3}^{\mathrm{new}}(1728, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
1728.3.g.a 1728.g 4.b $2$ $47.085$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(-14\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-7q^{5}-5\zeta_{6}q^{7}-5\zeta_{6}q^{11}-20q^{13}+\cdots\)
1728.3.g.b 1728.g 4.b $2$ $47.085$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(-6\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-3q^{5}-\zeta_{6}q^{7}+3\zeta_{6}q^{11}-4q^{13}+\cdots\)
1728.3.g.c 1728.g 4.b $2$ $47.085$ \(\Q(\sqrt{-3}) \) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(0\) $\mathrm{U}(1)[D_{2}]$ \(q+\zeta_{6}q^{7}-q^{13}-7\zeta_{6}q^{19}-5^{2}q^{25}+\cdots\)
1728.3.g.d 1728.g 4.b $2$ $47.085$ \(\Q(\sqrt{-3}) \) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(0\) $\mathrm{U}(1)[D_{2}]$ \(q-5\zeta_{6}q^{7}+23q^{13}-5\zeta_{6}q^{19}-5^{2}q^{25}+\cdots\)
1728.3.g.e 1728.g 4.b $2$ $47.085$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(6\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+3q^{5}-\zeta_{6}q^{7}-3\zeta_{6}q^{11}-4q^{13}+\cdots\)
1728.3.g.f 1728.g 4.b $2$ $47.085$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(14\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+7q^{5}-5\zeta_{6}q^{7}+5\zeta_{6}q^{11}-20q^{13}+\cdots\)
1728.3.g.g 1728.g 4.b $4$ $47.085$ \(\Q(\sqrt{2}, \sqrt{-3})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{1}q^{5}+\beta _{2}q^{7}-\beta _{3}q^{11}-13q^{13}+\cdots\)
1728.3.g.h 1728.g 4.b $4$ $47.085$ \(\Q(\sqrt{-3}, \sqrt{5})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{1}q^{5}-\beta _{2}q^{7}+\beta _{3}q^{11}+8q^{13}+\cdots\)
1728.3.g.i 1728.g 4.b $4$ $47.085$ \(\Q(\sqrt{-3}, \sqrt{13})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{2}q^{5}-\beta _{3}q^{7}-7\beta _{1}q^{11}+2^{4}q^{13}+\cdots\)
1728.3.g.j 1728.g 4.b $8$ $47.085$ 8.0.56070144.2 None \(0\) \(0\) \(-8\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+(-1-\beta _{3})q^{5}+(\beta _{2}+\beta _{6})q^{7}+(\beta _{2}+\cdots)q^{11}+\cdots\)
1728.3.g.k 1728.g 4.b $8$ $47.085$ 8.0.22581504.2 None \(0\) \(0\) \(-8\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+(-1+\beta _{2})q^{5}+\beta _{7}q^{7}+(\beta _{3}+\beta _{6}+\cdots)q^{11}+\cdots\)
1728.3.g.l 1728.g 4.b $8$ $47.085$ 8.0.207360000.1 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{1}q^{5}+\beta _{7}q^{7}+\beta _{3}q^{11}+(1-\beta _{6}+\cdots)q^{13}+\cdots\)
1728.3.g.m 1728.g 4.b $8$ $47.085$ 8.0.56070144.2 None \(0\) \(0\) \(8\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+(1+\beta _{3})q^{5}+(\beta _{2}+\beta _{6})q^{7}+(-\beta _{2}+\cdots)q^{11}+\cdots\)
1728.3.g.n 1728.g 4.b $8$ $47.085$ 8.0.22581504.2 None \(0\) \(0\) \(8\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+(1-\beta _{2})q^{5}+\beta _{6}q^{7}+(\beta _{4}+\beta _{5}+\beta _{6}+\cdots)q^{11}+\cdots\)

Decomposition of \(S_{3}^{\mathrm{old}}(1728, [\chi])\) into lower level spaces

\( S_{3}^{\mathrm{old}}(1728, [\chi]) \cong \) \(S_{3}^{\mathrm{new}}(12, [\chi])\)\(^{\oplus 15}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(16, [\chi])\)\(^{\oplus 12}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(24, [\chi])\)\(^{\oplus 12}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(32, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(36, [\chi])\)\(^{\oplus 10}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(48, [\chi])\)\(^{\oplus 9}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(64, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(72, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(96, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(108, [\chi])\)\(^{\oplus 5}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(144, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(192, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(216, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(288, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(432, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(576, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(864, [\chi])\)\(^{\oplus 2}\)