Finite Group Databasebeta

C2×#20266065 #27187332

order12928
automorphism?
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C23

Aliases

direct productC2×#20266065

Splittings

SylowC101 ⋊ C2×#346

Subgroups

subgroupG/H
centerC22×C4C2×#87938
commutatorC2×C101C2×C4×C8
FrattiniC2×C4C22×#87938
FittingC2×C42×C101C4
socle, prime radicalC23×C101C2×C8
cosocleC2×#11717579C23
hypercenterC2×C42#87938
hypocenterC101C2×#346
LCSG ▷ C2×C101 ▷ C101
UCSC1 ◁ C22×C4 ◁ C2×C42

200 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 123
transitive degreeμt(G) = 12928

A minimal faithful permutation representation — 3 generators on 123 points:

(1,2,5,10,19,32,49,42,25,12,3,7,14,23,36,53,68,59,38,21,8,16,27,40,57,72,83,74,55,34,17,29,44,61,76,87,94,85,70,51,30,46,64,79,90,97,99,92,81,66,47,65,80,91,98,101,100,96,89,78,63,45,62,77,88,95,93,86,75,60,43,28,41,58,73,84,82,71,56,39,26,15,24,37,54,69,67,52,35,22,13,6,11,20,33,50,48,31,18,9,4)(104,105,106,107)(109,113)(114,119)(115,120)(121,123);(2,3,4,6)(5,8,9,15)(7,12,13,11)(10,17,18,28)(14,21,22,24)(16,25,26,20)(19,30,31,45)(23,34,35,41)(27,38,39,37)(29,42,43,33)(32,47,48,65)(36,51,52,62)(40,55,56,58)(44,59,60,54)(46,49,63,50)(53,66,67,80)(57,70,71,77)(61,74,75,73)(64,68,78,69)(72,81,82,91)(76,85,86,88)(79,83,89,84)(87,92,93,98)(90,94,96,95)(97,99,100,101)(108,109,110,114,111,115,116,121,112,113,117,119,118,120,122,123);(102,103)

Conjugacy classes & character table

880 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 20710);