Finite Group Databasebeta
Cayley diagram

C2×#3078 #60481

order256
nilpotency class3
isoclinismisoclinic class of #3003
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3078

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC24C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1049 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 5 generators on 26 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111756, #111802, #111813, …
maximal normal subgroup of#111756, #111802, #111813, …
maximal quotient ofC2×#20647, C2×#20874, C2×#21033, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53469);