Finite Group Databasebeta

C2×#23761393 #34198426

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC2×#23761393

Splittings

SylowC79 ⋊ C2×#1342

Subgroups

subgroupG/H
centerC22#19098296
commutatorC2×C8×C79C22×C4
FrattiniC2×M16C22×D79
FittingC2×#338×C79C2
socleC22×C79#327
prime radicalC24×C79SD16
cosocleC2×M16×C79C23
hypercenterC2×#338D79
hypocenterC79C2×#1342
LCSG ▷ C2×C8×C79 ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×M16 ◁ C2×#338

428 conjugacy classes of subgroups; only the 107 normal subgroups are shown.

normal subgroups only

This group has 428 conjugacy classes of subgroups — too many to draw. Only its 107 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 113
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 3 generators on 113 points:

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

Conjugacy classes & character table

1756 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 79725);