Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #45438 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | #2688 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
836 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2)(3,4)(5,6)(7,8)(11,15)(14,16)(17,18,21,20)(19,23,24,22);(2,6)(3,7)(10,13)(11,15)(17,18,21,20)(19,22,24,23);(9,10)(11,14)(12,13)(15,16)(17,19,21,24)(18,22,20,23);(1,3,5,7)(2,4,6,8)(9,11)(10,14)(12,15)(13,16)(17,20,21,18)(19,23,24,22);(1,4)(2,7)(3,6)(5,8)(9,10)(11,14)(12,13)(15,16)Polycyclic presentation:
2^8|a^2=g,b^2=g,c^2=g,d^2=fg,b^a=bf,c^a=cg,d^a=dh,e^a=ef,c^b=ch,d^b=dfh,e^b=eh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#45665, #7702041, #7702263, … |
| maximal normal subgroup of | C2×#45665, #7702041, #7702263, … |
| maximal quotient of | #557245, #557255, #557416, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 38653);