Finite Group Databasebeta

C2×D5461 #36345754

order21844
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD10922
direct productC2×D5461
unambiguous semidirect product(C2×C43)⋊D127
unambiguous semidirect product(C2×C127)⋊D43

Splittings

Fitting, socleC2×C43×C127 ⋊ C2
derived, HallC43×C127 ⋊ C22
SylowC127 ⋊ C2×D43
SylowC43 ⋊ C2×D127

Subgroups

subgroupG/H
center, hypercenterC2D5461
commutator, cosocle, hypocenterC43×C127C22
FrattiniC1G
Fitting, socleC2×C43×C127C2
LCSG ▷ C43×C127
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 172
transitive degreeμt(G) = 10922

A minimal faithful permutation representation — 2 generators on 172 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)(46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172);(4,45)(5,44)(6,43)(7,42)(8,41)(9,40)(10,39)(11,38)(12,37)(13,36)(14,35)(15,34)(16,33)(17,32)(18,31)(19,30)(20,29)(21,28)(22,27)(23,26)(24,25)(47,172)(48,171)(49,170)(50,169)(51,168)(52,167)(53,166)(54,165)(55,164)(56,163)(57,162)(58,161)(59,160)(60,159)(61,158)(62,157)(63,156)(64,155)(65,154)(66,153)(67,152)(68,151)(69,150)(70,149)(71,148)(72,147)(73,146)(74,145)(75,144)(76,143)(77,142)(78,141)(79,140)(80,139)(81,138)(82,137)(83,136)(84,135)(85,134)(86,133)(87,132)(88,131)(89,130)(90,129)(91,128)(92,127)(93,126)(94,125)(95,124)(96,123)(97,122)(98,121)(99,120)(100,119)(101,118)(102,117)(103,116)(104,115)(105,114)(106,113)(107,112)(108,111)(109,110)

Conjugacy classes & character table

5464 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD21844, C2×D16383
maximal normal subgroup ofD21844
maximal quotient ofDic10922, D21844, C2×D16383

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21844, 9);