【印刷可能】 z CXg ¤¢ACR 347566
0 1 9 0 8 b 9 Y 7 _b ZThese must be expressible in the form G/K where K C G since there is a 1–1 correspondence between homomorphic images of G and normal subgroups of G (given by in the commutative diagram — each K C G can be a kernel6 @ " a 2 z" CXg ¤¢ACR"