Dic28

Also called  C7 ⋊ C4C4.

Statistics

Order of group28
GAP identifier28,1
Presentation< b,r | b7, r4, brbr3 >
Orders of elements1 of 1, 1 of 2, 2*7 of 4, 3*2 of 7, 6 of 14
CentreC2
Derived subgroupC7
Automorphism groupFrob42×C2
Inner automorphism groupD14
"Out" (quotient of above)D6
Schur multiplier1
Sylow-2-subgroupC4
 

Permutation Diagrams


Not transitive.

Cayley Graphs






Index to regular maps

Orientable sphere | torus | 2 | 3 | 4 | 5 | 6
Non-orientable projective plane | 4 | 5 | 6 | 7