Finite Group Databasebeta
Cayley diagram

C2×#2967 #60199

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2967

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC22C24×C4
Frattini, cosocleC2×C4C25
socleC23C23×C4
prime radicalC2×#121C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

985 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)(11,12,14,18,15,17,21,24)(13,16,20,23,19,22,25,26);(4,7)(8,10)(13,19)(16,22)(20,25)(23,26);(11,13,14,20,15,19,21,25)(12,16,18,23,17,22,24,26);(3,5,6,9)(4,8,7,10)(12,17)(16,22)(18,24)(23,26)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107845, #107851, #108145, …
maximal normal subgroup of#107845, #107851, #108145, …
maximal quotient ofC2×#20475, C2×#20477, C2×#20487, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53187);