Finite Group Databasebeta
Cayley diagram

C2×#2563 #34939

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#2563

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1611 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 22 points:

(1,2);(3,4,5,6)(7,8,10,11)(9,13,14,12)(16,18)(17,21);(8,11)(12,13)(15,16,19,18)(17,20,21,22);(3,4)(5,6)(7,8)(9,12)(10,11)(13,14)(15,17)(16,20)(18,22)(19,21);(7,9,10,14)(8,12,11,13)(15,18,19,16)(17,22,21,20)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97405, #98509, #111599, …
maximal normal subgroup of#97405, #98509, #111599, …
maximal quotient ofC2×#13906, C2×#13911, C2×#13973, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27927);