Properties

Label 147.2.e
Level $147$
Weight $2$
Character orbit 147.e
Rep. character $\chi_{147}(67,\cdot)$
Character field $\Q(\zeta_{3})$
Dimension $14$
Newform subspaces $5$
Sturm bound $37$
Trace bound $3$

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Defining parameters

Level: \( N \) \(=\) \( 147 = 3 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 147.e (of order \(3\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 7 \)
Character field: \(\Q(\zeta_{3})\)
Newform subspaces: \( 5 \)
Sturm bound: \(37\)
Trace bound: \(3\)
Distinguishing \(T_p\): \(2\), \(5\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(147, [\chi])\).

Total New Old
Modular forms 54 14 40
Cusp forms 22 14 8
Eisenstein series 32 0 32

Trace form

\( 14 q + 4 q^{2} + q^{3} - 4 q^{4} - 2 q^{5} - 4 q^{6} - 12 q^{8} - 7 q^{9} - 4 q^{10} + 2 q^{11} + 2 q^{12} - 2 q^{13} + 4 q^{15} - 6 q^{16} + 4 q^{18} + q^{19} + 8 q^{20} - 8 q^{22} + 8 q^{23} - q^{25}+ \cdots - 4 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(147, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Minimal twist Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
147.2.e.a 147.e 7.c $2$ $1.174$ \(\Q(\sqrt{-3}) \) None 21.2.e.a \(-2\) \(1\) \(-2\) \(0\) $\mathrm{SU}(2)[C_{3}]$ \(q-2\zeta_{6}q^{2}+(1-\zeta_{6})q^{3}+(-2+2\zeta_{6})q^{4}+\cdots\)
147.2.e.b 147.e 7.c $2$ $1.174$ \(\Q(\sqrt{-3}) \) None 21.2.a.a \(1\) \(-1\) \(2\) \(0\) $\mathrm{SU}(2)[C_{3}]$ \(q+\zeta_{6}q^{2}+(-1+\zeta_{6})q^{3}+(1-\zeta_{6})q^{4}+\cdots\)
147.2.e.c 147.e 7.c $2$ $1.174$ \(\Q(\sqrt{-3}) \) None 21.2.a.a \(1\) \(1\) \(-2\) \(0\) $\mathrm{SU}(2)[C_{3}]$ \(q+\zeta_{6}q^{2}+(1-\zeta_{6})q^{3}+(1-\zeta_{6})q^{4}+\cdots\)
147.2.e.d 147.e 7.c $4$ $1.174$ \(\Q(\sqrt{2}, \sqrt{-3})\) None 147.2.a.d \(2\) \(-2\) \(-4\) \(0\) $\mathrm{SU}(2)[C_{3}]$ \(q+(1+\beta _{1}+\beta _{2})q^{2}+\beta _{2}q^{3}+(2\beta _{1}+\beta _{2}+\cdots)q^{4}+\cdots\)
147.2.e.e 147.e 7.c $4$ $1.174$ \(\Q(\sqrt{2}, \sqrt{-3})\) None 147.2.a.d \(2\) \(2\) \(4\) \(0\) $\mathrm{SU}(2)[C_{3}]$ \(q+(1+\beta _{1}+\beta _{2})q^{2}-\beta _{2}q^{3}+(2\beta _{1}+\beta _{2}+\cdots)q^{4}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(147, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(147, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(21, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(49, [\chi])\)\(^{\oplus 2}\)