Finite Group Databasebeta

C2×#719640 #72294108

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C215

Aliases

direct productC2×#719640

Subgroups

subgroupG/H
center, socleC25C25
commutator, Frattini, cosocleC24C26
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C25 ◁ G
LECSG ▷ C24 ▷ C1

78461 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 6 generators on 22 points:

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

Conjugacy classes & character table

184 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#72293904, C2×#72251002, C2×#72232142, …
maximal normal subgroup ofC2×#72293904, C2×#72251002, C2×#72232142, …
maximal quotient ofC2×#72278695, C2×#72252081, C2×#72293976, …

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from a minimal faithful permutation representation:

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