Finite Group Databasebeta

C2×D5995 #37561873

order23980
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD11990
direct productC2×D5995
unambiguous semidirect product(C2×C5)⋊D1199
unambiguous semidirect product(C2×C11)⋊D545
unambiguous semidirect product(C2×C109)⋊D55

Splittings

Fitting, socleC2×C5×C11×C109 ⋊ C2
derived, HallC5×C11×C109 ⋊ C22
HallC11×C109 ⋊ C2×D5
HallC5×C109 ⋊ C2×D11
SylowC109 ⋊ C2×D55
HallC5×C11 ⋊ C2×D109
SylowC11 ⋊ C2×D545
SylowC5 ⋊ C2×D1199

Subgroups

subgroupG/H
center, hypercenterC2D5995
commutator, cosocle, hypocenterC5×C11×C109C22
FrattiniC1G
Fitting, socleC2×C5×C11×C109C2
LCSG ▷ C5×C11×C109
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 127
transitive degreeμt(G) = 11990

A minimal faithful permutation representation — 2 generators on 127 points:

(1,2)(3,4,5,6,7)(8,9,10,11,12,13,14,15,16,17,18)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127);(4,7)(5,6)(9,18)(10,17)(11,16)(12,15)(13,14)(20,127)(21,126)(22,125)(23,124)(24,123)(25,122)(26,121)(27,120)(28,119)(29,118)(30,117)(31,116)(32,115)(33,114)(34,113)(35,112)(36,111)(37,110)(38,109)(39,108)(40,107)(41,106)(42,105)(43,104)(44,103)(45,102)(46,101)(47,100)(48,99)(49,98)(50,97)(51,96)(52,95)(53,94)(54,93)(55,92)(56,91)(57,90)(58,89)(59,88)(60,87)(61,86)(62,85)(63,84)(64,83)(65,82)(66,81)(67,80)(68,79)(69,78)(70,77)(71,76)(72,75)(73,74)

Conjugacy classes & character table

5998 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD23980
maximal normal subgroup ofD23980
maximal quotient ofDic11990, D23980

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23980, 46);