Finite Group Databasebeta
Cayley diagram

C2×#1379 #12553

order256
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) order 8192
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C24

Aliases

direct productC2×#1379

Subgroups

subgroupG/H
centerC22×C8D4
commutatorC4C2×C4×C8
Frattini, cosocleC22×C8C23
socleC23C22⋊C8
prime radicalC24M16
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C8 ◁ C23×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

303 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 38 points:

(1,2);(7,8,11,16,12,17,26,34,13,18,27,35,10,15,24,32)(9,19,21,36,20,30,37,33,22,31,25,38,23,14,28,29);(3,4,5,6)(7,9)(8,14)(10,23)(11,25)(12,20)(13,22)(15,31)(16,33)(17,19)(18,30)(21,27)(24,37)(26,28)(29,35)(32,36)(34,38)

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1379, #146305, #146312, …
maximal normal subgroup ofC4×#1379, #146305, #146312, …
maximal quotient ofC2×#7141, #126566, #126570, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5541);