Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3008 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×2−1+4 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×#41 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
1833 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2)(3,4)(5,6,7,8)(10,14)(12,19)(15,21)(16,20)(18,23)(22,24);(9,10,13,16)(11,15,17,22)(12,20,19,14)(18,24,23,21);(2,4)(9,11)(10,15)(12,18)(13,17)(14,21)(16,22)(19,23)(20,24);(11,17)(15,22)(18,23)(21,24)Polycyclic presentation:
2^8|a^2=g,b^2=h,e^2=h,b^a=be,c^a=cf,e^a=eh,e^b=eh,d^c=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #146588, #146592, #148581, … |
| maximal normal subgroup of | #146588, #146592, #148581, … |
| maximal quotient of | #184848, #184858, #184868, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13591);