Formula 11 , where the intersection point runs through all normal subgroups of the finite index . Formula _ 11 , where the intersection runs through all normal subgroups of finite index ) .
Formula 11, di mana titik persimpangan berjalan melalui semua subkumpulan normal indeks terhingga. Formula _ 11, di mana persimpangan berjalan melalui semua subkumpulan normal indeks terhingga).