1 ·································
p is prime
2 ·································
pow(P,i) =p*p...p
3 ·························
if a>0, b>0 => p | pow(p,a)
4 ·························
p|s and p|t => p | (s+t)
5 ·································
|G|= pow(P,a)*m
6 ·································
|P|= pow(P,a)
7 ·································
|G|/|P|= |G/P|
8 ·································
partitions of a set donšt intersect
9 ·································
orbits are partitions of a set
10 ·································
sum(parts)=whole if parts donšt intersec
11 ·························
p does not divide m
12 ·················
size of orbit =1 => orbit consists of one fixed element
13 ·················
cancellation laws in Group
14 ·············
if P < G, gP=P => g is a member of P
15 ·········
for all a in A, a is member of B => A is a subset of B
16 ·····································
Q < G
17 ·····································
G acts on G/P
18 ·····································
if a group acts on a set, then a subgroup acts on the set
19 ·············
syl(p,G)={P < G: |P|=pow(p,a)}
20 ·············
Q is a member of syl(p,G)
21 ·············
P is a member of syl(p,G)
22 ·································
size of orbit divides size of acting group
23 ·········
|P|=|x*P*pow(x,-1)|
1+ 2= 24 ·····························
Only pow(p,i) divides pow(p,a)
16+ 17+ 18
= 28 ·································
Q acts on G/P
19+ 20+ 21
= 29 ·········
|Q|=|P|
1 22+ 28= 32 ·····························
|O| divides pow(p,a)
23+ 29= 33 ·····
|Q|=|x*P*pow(x,-1)|
24+ 32= 34 ·························
|O|=pow(p,i) and i>=0
33+ 43= 44 ··
there exists x in G s.t. x*P*pow(x,-1)=q
44= 45 let |G| = pow(p,a)*m for a>=1, p prime and p does not divide m. Set Syl(p,G)={P< G: |P|=pow(p,a}. P, Q are member of Syl(p,G), Then there exists x in G s.t. x*P*pow(x,-1)=Q