Finite Group Databasebeta
Cayley diagram

C2×#12616 #492978

order512
nilpotency class2
isoclinismisoclinic class of #7855
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C26

Aliases

direct productC2×#12616

Subgroups

subgroupG/H
centerC22×C4C2×C42
commutatorC2×C4C22×C42
Frattini, cosocleC22×C8C24
socleC23C2×#97
prime radicalC25M16
LCSG ▷ C2×C4 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

1118 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 generators on 22 points:

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

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#498116, C2×#498120, C2×#498375, …
maximal normal subgroup ofC2×#498116, C2×#498120, C2×#498375, …
maximal quotient ofC2×#128267, C2×#128255, C2×#146392, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 400174);