Finite Group Databasebeta
Cayley diagram

C2×#3178 #60683

order256
nilpotency class3
isoclinismisoclinic class of #3057
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3178

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#121C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

953 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)(5,8)(6,7)(9,10)(13,19)(14,22)(16,23)(18,24)(20,25)(21,26);(4,7)(8,10)(11,12)(13,20)(14,18)(15,17)(16,21)(19,25)(22,24)(23,26);(11,13,14,19,15,21,22,26)(12,16,18,23,17,20,24,25);(3,5,6,9)(4,8,7,10)(12,17)(16,20)(18,24)(23,25)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220207, #220209, #220217, …
maximal normal subgroup of#220207, #220209, #220217, …
maximal quotient ofC2×#20822, C2×#21283, C2×#21285, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53671);