Finite Group Databasebeta
Cayley diagram

C2×#3257 #60908

order256
nilpotency class3
isoclinismisoclinic class of #3198
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3257

Subgroups

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

973 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)(5,9)(11,12)(13,16)(14,17)(15,19)(18,22)(20,24)(21,23)(25,26);(3,4)(5,8)(6,7)(9,10)(11,13)(12,16)(14,21)(15,20)(17,23)(18,25)(19,24)(22,26);(4,7)(8,10)(12,17)(14,22)(16,23)(18,19)(21,26)(24,25);(3,5,6,9)(4,8,7,10)(13,20)(16,24)(21,26)(23,25)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#3257, #6378138, #6378163, …
maximal normal subgroup ofC4×#3257, #6378138, #6378163, …
maximal quotient ofC2×#21896, C2×#21897, C2×#21966, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53896);