Finite Group Databasebeta
Cayley diagram

C2×#1479 #17435

order256
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C26

Aliases

direct productC2×#1479

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC4C23×C8
Frattini, cosocleC42C24
socleC23C2×C22⋊C4
prime radicalC24C22⋊C4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

641 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 26 points:

(1,2);(3,4,5,7,6,8,9,10)(11,12)(13,20)(14,18)(15,24)(16,19)(17,22)(21,25)(23,26);(11,13,16,23)(12,17,19,25)(14,22,15,21)(18,26,24,20);(11,14,16,15)(12,18,19,24)(13,21,23,22)(17,20,25,26)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105641, #105643, #105649, …
maximal normal subgroup of#105641, #105643, #105649, …
maximal quotient ofC2×#7573, C2×#7575, C2×#7581, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10423);