Finite Group Databasebeta
Cayley diagram

C2×#3403 #61400

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

Aliases

direct productC2×#3403

Subgroups

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

1033 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)(13,20)(14,18)(15,17)(16,21)(19,23)(22,24)(25,26);(3,4,7,8)(5,9,6,10)(11,13,14,21)(12,16,18,20)(15,22,23,26)(17,25,19,24);(3,5,7,6)(4,9,8,10)(12,17)(13,21)(15,23)(16,24)(18,19)(20,25);(3,6,7,5)(4,9,8,10)(13,21)(16,20)(22,26)(24,25)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131882, #131900, #220507, …
maximal normal subgroup of#131882, #131900, #220507, …
maximal quotient ofC2×#22549, C2×#22731, C2×#22816, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54388);