Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D42 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C22×C42 · Schur multiplier (H2) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C22×C4 | C24 |
| commutator | C22 | C22×C42 |
| socle, prime radical | C23 | C23×C4 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
413 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 28 points:
(5,6)(7,10)(8,11)(9,12)(13,14,16,19,17,20,23,26)(15,18,22,25,21,24,27,28);(1,2,3,4)(5,7,10,6)(8,11,9,12)(15,21)(18,24)(22,27)(25,28);(5,8,10,9)(6,11,7,12)(13,15,16,22,17,21,23,27)(14,18,19,25,20,24,26,28);(5,9,10,8)(6,11,7,12)Polycyclic presentation:
2^8|a^2=f,b^2=g,c^2=ef,d^2=e,f^2=h,b^a=be,d^a=de,c^b=ceh100 conjugacy classes — view the full character table.
| maximal subgroup of | #183944, #183945, #183946, … |
| maximal normal subgroup of | #183944, #183945, #183946, … |
| maximal quotient of | #184690, #184691, #184696, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13559);