Finite Group Databasebeta
Cayley diagram

C2×#2981 #60229

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2981

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC22C24×C4
Frattini, cosocleC2×C4C25
socleC23C23×C4
prime radicalC2×#532C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1115 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)(5,9)(6,8)(7,10)(11,12,15,19,14,18,22,26)(13,17,21,25,20,16,23,24);(3,5)(4,7)(6,10)(8,9)(11,13)(12,16)(14,20)(15,21)(17,18)(19,24)(22,23)(25,26);(5,10)(7,9)(11,13)(12,17)(14,20)(15,21)(16,18)(19,25)(22,23)(24,26);(4,8)(7,9)(12,18)(13,20)(19,26)(21,23)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106068, #106200, #106204, …
maximal normal subgroup of#106068, #106200, #106204, …
maximal quotient ofC2×#20531, C2×#20537, C2×#20565, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53217);