Finite Group Databasebeta
Cayley diagram

C2×#3396 #61392

order256
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3396

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#493C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1043 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);(4,8)(9,10)(11,12,16,19)(13,17,15,23)(14,21,22,25)(18,24,26,20);(3,4,7,8)(5,9,6,10)(11,13,16,15)(12,17,19,23)(14,20,22,24)(18,25,26,21);(3,5,7,6)(4,9,8,10)(11,14,16,22)(12,18,19,26)(13,20,15,24)(17,25,23,21);(3,6,7,5)(4,9,8,10)

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131061, #131063, #131066, …
maximal normal subgroup of#131061, #131063, #131066, …
maximal quotient ofC2×#22543, C2×#22727, C2×#22808, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54380);