Finite Group Databasebeta
Cayley diagram

C2×#3369 #61310

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3369

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×D4C23
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

921 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);(4,7)(8,9)(11,12)(13,17)(14,21)(15,24)(16,19)(18,20)(22,26)(23,25);(3,4,6,7)(5,9,10,8)(11,13,16,15)(12,17,19,24)(14,22,23,20)(18,21,26,25);(11,14,16,23)(12,18,19,26)(13,20,15,22)(17,25,24,21);(3,5,6,10)(4,8,7,9)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220416, #220788, #220860, …
maximal normal subgroup of#220416, #220788, #220860, …
maximal quotient ofC2×#22525, C2×#22544, C2×#22742, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54298);