Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24269 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#449 | C2 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C22⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
544 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(1,2,3,4)(5,6)(7,11)(8,10)(9,12)(13,14,17,20,18,22,16,21)(15,19,25,23,26,28,24,27);(5,7,8,12)(6,9,10,11)(13,15,17,25,18,26,16,24)(14,19,20,23,22,28,21,27);(2,4)(13,14)(15,23)(16,20)(17,21)(18,22)(19,25)(24,28)(26,27);(6,10)(9,11)(13,16,18,17)(14,20,22,21)(15,24,26,25)(19,23,28,27)Polycyclic presentation:
2^8|a^2=f,b^2=egh,d^2=h,f^2=h,g^2=h,b^a=be,c^a=cf,d^a=deh,c^b=cg,f^c=fh,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#28351, #6459714, #6459734, … |
| maximal normal subgroup of | C2×#28351, #6459714, #6459734, … |
| maximal quotient of | #319103, #319116, #319125, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 21339);